| Abnormal glucose metabolism in non-diabetic patients presenting with an acute stroke: prospective study and systematic review JA Dave, ME Engel, R Freercks, J Peter, W May, M Badri, L Van Niekerk, ... QJM: An International Journal of Medicine 103 (7), 495-503, 2010 | 76 | 2010 |
| Risk factors and outcomes of acute kidney injury in South African critically ill adults: A prospective cohort study RE Aylward, E van der Merwe, S Pazi, M van Niekerk, J Ensor, D Baker, ... BMC nephrology 20, 1-11, 2019 | 33 | 2019 |
| Vascular calcification in South African dialysis patients: ethnic variation, prevalence, detection and haemodynamic correlates R Freercks, C Swanepoel, H Carrara, S Moosa, A Lachman, B Rayner Nephrology 17 (7), 607-615, 2012 | 22 | 2012 |
| CYP3A5 polymorphisms and their effects on tacrolimus exposure in an ethnically diverse South African renal transplant population C Dandara, K Manning, D Mhandire, WK Muller, J Ensor, Z Barday, ... South African Medical Journal 110 (2), 159-166, 2020 | 19 | 2020 |
| The SAPS 3 score as a predictor of hospital mortality in a South African tertiary intensive care unit: A prospective cohort study. E van der Merwe, J Kapp, S Pazi, R Aylward, M Van Niekerk, B Mrara, ... PLoS One 15 (5), e0233317, 2020 | 15 | 2020 |
| Haemolytic anaemia associated with efavirenz RJ Freercks, U Mehta, DF Stead, GA Meintjes Aids 20 (8), 1212-1213, 2006 | 13 | 2006 |
| Cerebral angioedema associated with enalapril E Decloedt, R Freercks, G Maartens British journal of clinical pharmacology 68 (2), 271, 2009 | 11 | 2009 |
| Tuberculosis and pauci-immune crescentic glomerulonephritis JO Oxland, J Ensor, R Freercks Case Reports 2018, bcr-2017-221948, 2018 | 9 | 2018 |
| Tuberculosis burden in stage 5 chronic kidney disease patients undergoing dialysis therapy at Livingstone Hospital, Port Elizabeth, South Africa S Ndamase, H Carrara, J Black, G Calligaro, I Okpechi, R Freercks South African Medical Journal 110 (5), 422-426, 2020 | 5 | 2020 |
| Retrospective review of ART regimens in HIV-positive to HIV-positive kidney transplant recipients Z Barday, K Manning, R Freercks, L Bertels, N Wearne, E Muller Kidney International Reports 7 (9), 2039-2046, 2022 | 4 | 2022 |
| Multisystem inflammatory syndrome in an adult (MIS-A) due to SARS-CoV-2 infection presenting to a South African hospital S Balkaran, SP Surdut, DM Rose, R Freercks BMJ Case Reports CP 15 (2), e246587, 2022 | 4 | 2022 |
| Liddle’s syndrome in an African male due to a novel frameshift mutation in the beta-subunit of the epithelial sodium channel gene R Freercks, S Meldau, E Jones, J Ensor, C Weimers-Willard, B Rayner Cardiovascular journal of Africa 28 (5), e4-e6, 2017 | 4 | 2017 |
| Tuberculous lymphadenitis and Horner’s syndrome R Freercks, MW Sonderup South African Medical Journal 101 (6), 381-382, 2011 | 4 | 2011 |
| Acute cypermethrin and other pyrethroid poisoning–An organophosphate-like poisoning: A case report and review LD Scheepers, R Freercks, E van der Merwe Toxicology reports 11, 107-110, 2023 | 3 | 2023 |
| Analysis of the vascular access service for patients on haemodialysis in Livingstone Hospital IR Grant, EJ Honiball, B Dube, RJ Freercks Cardiovascular Journal of Africa 32 (2), 98-101, 2021 | 3 | 2021 |
| Case report: The utility of urine sulphosalicylic acid testing in the detection of non-albumin proteinuria S Ndamase, R Freercks South African Medical Journal 105 (2), 2015 | 3 | 2015 |
| Vascular calcification is not associated with increased ambulatory central aortic systolic pressure in prevalent dialysis patients: cardiovascular topic RJ Freercks, CR Swanepoel, KL Turest-Swartz, HRO Carrara, BL Rayner, ... Cardiovascular Journal of Africa 25 (1), 4-8, 2014 | 3 | 2014 |
| A rare case of hypokalaemia and hypophosphataemia secondary to geophagia C Schmidt, JO Oxland, R Freercks BMJ Case Reports CP 14 (5), e239322, 2021 | 2 | 2021 |
| Capacity for the management of kidney failure in the International Society of Nephrology Africa region: report from the 2023 ISN Global Kidney Atlas (ISN-GKHA) EK Tannor, B Davidson, Y Nlandu, P Bagasha, WH Bilchut, MR Davids, ... Kidney International Supplements 13 (1), 12-28, 2024 | 1 | 2024 |
| The state of kidney replacement therapy in Eastern Cape Province, South Africa: A call to action L Mtingi-Nkonzombi, K Manning, T Du Toit, E Muller, AD Redd, ... South African Medical Journal 113 (4), 1143-1149, 2023 | 1 | 2023 |
