Journal Articles
Ungerer, Jacobus P.J. and Pretorius, Carel J. (2020). Letter in reply to the letter to the editor of Ferraro S and Panteghini M with the title "more robust analytical evidence should support the selection for human chorionic gonadotropin assays for oncology application". Clinical Chemistry and Laboratory Medicine, 58 (3), e64-e65. doi: 10.1515/cclm-2019-1065
Pretorius, Carel J., Du Toit, Stephen, Wilgen, Urs, Klingberg, Sandra, Jones, Mark, Ungerer, Jacobus P.J. and Tate, Jillian R. (2020). How comparable are total human chorionic gonadotropin (hCGt) tumour markers assays?. Clinical Chemistry and Laboratory Medicine, 58 (3), 438-444. doi: 10.1515/cclm-2019-0457
Daley, Gemma Maree, Abdulla, Cheriya, Pretorius, Carel J. and Ungerer, Jacobus P. J. (2019). Insidious plumbum. Pathology, 51 (4), 449-451. doi: 10.1016/j.pathol.2018.11.017
Pretorius, Carel J., Tate, Jillian R., Wilgen, Urs, Cullen, Louise and Ungerer, Jacobus P. J. (2018). A critical evaluation of the Beckman Coulter Access hsTnI: analytical performance, reference interval and concordance. Clinical Biochemistry, 55, 49-55. doi: 10.1016/j.clinbiochem.2018.03.003
Daley, Gemma M., Pretorius, Carel J. and Ungerer, Jacobus P.J. (2018). Lead toxicity: an Australian perspective. Clinical Biochemist Reviews, 39 (4) 91, 61-98.
Konecny, Pamela, Weatherall, Christopher J., Adhikari, Suman, Duflou, Johan, Marjoniemi, Veli, Pretorius, Carel J. and McWhinney, Brett (2018). Case report: Subcutaneous ivermectin pharmacokinetics in disseminated strongyloides infection: Plasma and postmortem analysis. American Journal of Tropical Medicine and Hygiene, 99 (6), 1580-1582. doi: 10.4269/ajtmh.18-0387
Pretorius, Carel J., McWhinney, Brett C., Sipinkoski, Bilyana, Wilce, Alice, Cox, David, McWhinney, Avis and Ungerer, Jacobus P. J. (2017). Rapid amino acid quantitation with pre-column derivatization; ultra-performance reverse phase liquid chromatography and single quadrupole mass spectrometry. Clinica Chimica Acta, 478, 132-139. doi: 10.1016/j.cca.2017.12.027
Ungerer, Jacobus Petrus Johannes and Pretorius, Carel Jacobus (2017). Method comparison - A practical approach based on error identification. Clinical Chemistry and Laboratory Medicine, 56 (1), 1-4. doi: 10.1515/cclm-2017-0842
Wilgen, Urs, Pretorius, Carel J. and Ungerer, Jacobus P. (2017). Mind the gap: shortcomings of the osmotic gap and a possible solution. Annals of Clinical Biochemistry, 55 (1), 136-142. doi: 10.1177/0004563217694052
Ungerer, Jacobus P. J. and Pretorius, Carel J. (2017). High-sensitivity cardiac troponin: do think twice, it's not all right. Clinical Chemistry and Laboratory Medicine, 55 (11), 1669-1671. doi: 10.1515/cclm-2017-0025
Sharwood, Erin F., Hughes, Ian P., Pretorius, Carel J., Trnka, Peter, Peake, Jane and Huynh, Tony (2017). Therapeutic plasma exchange normalizes insulin-mediated response in a child with type 1 diabetes and insulin autoimmune syndrome. Pediatric Diabetes, 48 (1), S89-179. doi: 10.1111/pedi.12522
Pretorius, Carel J., Reade, Michael C., Warnholtz, Chris, McWhinney, Brett, Phua, Meng Mei, Lipman, Jeffrey and Ungerer, Jacobus P. J. (2017). Pyroglutamate (5-oxoproline) measured with hydrophilic interaction chromatography (HILIC) tandem mass spectrometry in acutely ill patients. Clinica Chimica Acta, 466, 72-77. doi: 10.1016/j.cca.2017.01.012
Pretorius, Carel J. and Ungerer, Jacobus P.J. (2016). Improved diagnostic performance of high-sensitivity cardiac troponin assays is an artifact of censored data. Clinical Chemistry, 62 (12), 1654-1657. doi: 10.1373/clinchem.2016.262634
Ungerer, Jacobus Petrus Johannes, Tate, Jillian Russyll and Pretorius, Carel Jacobus (2016). Discordance with 3 cardiac troponin i and T assays: implications for the 99th percentile cutoff. Clinical Chemistry, 62 (8), 1106-1114. doi: 10.1373/clinchem.2016.255281
Pretorius, Carel J. (2016). Screening immunofixation should replace protein electrophoresis as the initial investigation of monoclonal gammopathy: point. Clinical Chemistry and Laboratory Medicine, 54 (6), 963-966. doi: 10.1515/cclm-2015-0699
Cohen, Jeremy, Pretorius, Carel J., Ungerer, Jacobus P. J., Cardinal, John, Blumenthal, Antje, Presneill, Jeff, Gatica-Andrades, Marcela, Jarrett, Paul, Lassig-Smith, Melissa, Stuart, Janine, Dunlop, Rachel, Starr, Therese and Venkatesh, Bala (2016). Glucocorticoid sensitivity is highly variable in critically ill patients with septic shock and is associated with disease severity. Critical Care Medicine, 44 (6), 1034-1041. doi: 10.1097/CCM.0000000000001633
Wilgen, Urs, Pretorius, Carel J., Gould, Michael J. and Ungerer, Jacobus P. J. (2016). Cardiac troponin I carryover by very high patient samples still causes false-positive results on the Beckman Coulter AccuTnI + 3. Annals of Clinical Biochemistry, 53 (1), 177-179. doi: 10.1177/0004563215606739
Fagan, Kevin J., Pretorius, Carel J., Horsfall, Leigh U., Irvine, Katharine M., Wilgen, Urs, Choi, Kihoon, Fletcher, Linda M., Tate, Jill, Melino, Michelle, Nusrat, Sharmin, Miller, Gregory C., Clouston, Andrew D., Ballard, Emma, O'Rourke, Peter, Lampe, Guy, Ungerer, Jacobus P. J. and Powell, Elizabeth E. (2015). ELF score ≥9.8 indicates advanced hepatic fibrosis and is influenced by age, steatosis and histological activity. Liver International, 35 (6), 1673-1681. doi: 10.1111/liv.12760
Donovan, Peter J., Achong, Naomi, Griffin, Katherine, Galligan, John, Pretorius, Carel J. and McLeod, Donald S. A. (2015). PTHrP-mediated hypercalcemia: causes and survival in 138 patients. Journal of Clinical Endocrinology and Metabolism, 100 (5), 2024-2029. doi: 10.1210/jc.2014-4250
Wilgen, Urs, Pretorius, Carel J., Gous, Rehna S., Martin, Cameron, Hale, Vincent J. and Ungerer, Jacobus P. J. (2014). Hook effect in Abbott i-STAT beta-human chorionic gonadotropin (beta-hCG) point of care assay. Clinical Biochemistry, 47 (13-14), 1320-1322. doi: 10.1016/j.clinbiochem.2014.05.005
Jenner, Wessel, Klingberg, Sandra, Tate, Jill R., Wilgen, Urs, Ungerer, Jacobus P.J. and Pretorius, Carel J. (2014). Combined light chain immunofixation to detect monoclonal gammopathy: a comparison to standard electrophoresis in serum and urine. Clinical Chemistry and Laboratory Medicine, 52 (7), 981-987. doi: 10.1515/cclm-2014-0023
Pretorius, Carel J., Cullen, Louise, Parsonage, William A., Greenslade, Jaimi H., Tate, Jillian R., Wilgen, Urs and Ungerer, Jacobus P. J. (2014). Towards a consistent definition of a significant delta troponin with z-scores: a way out of chaos?. European Heart Journal: Acute Cardiovascular Care, 3 (2), 149-157. doi: 10.1177/2048872613517084
Wilgen, Urs, Pretorius, Carel J. and Ungerer, Jacobus P. J. (2013). Improved sensitivity of point of care troponin I values using reporting to below 99th percentile of normals. Schneider HG et al.. Clinical Biochemistry, 46 (16-17), 1774-1775. doi: 10.1016/j.clinbiochem.2013.06.027
Conference Papers
Ruddell, Richard G., Burgess, Christopher, Huynh, Tony, Conwell, Louise S., Balouch, Fariha, Burke, Matthew and Pretorius, Carel (2017). Idiopathic Ductopaenia in a Paediatric Patient: A Case Report and Interesting Clinical Biochemistry. Royal College of Pathology Australia Update, Sydney, NSW, Australia, 24 – 26 February 2017.
Fagan, Kevin, McWhinney, Brett, Horsfall, Leigh, Ungerer, Jacobus P., Pretorius, Carel J., Johnson, Lambro A., Clouston, Andrew, Fletcher, Linda M., Jonsson, Julie, O'Rourke, Peter and Powell, Elizabeth (2012). CDT as a biomarker of alcohol excess in patients with chronic liver disease: BMI affects diagnostic sensitivity. Australian Gastroenterology Week 2012, Adelaide, SA Australia, 16-19 October 2012. Richmond, VIC Australia: Wiley-Blackwell. doi: 10.1111/j.1440-1746.2011.07251_5.x