| Spectrum of Mutations in the HFE Gene Implicated in Haemochromatosis and Porphyria JNP de Villiers, R Hillermann, L Loubser, MJ Kotze Human Molecular Genetics 8 (8), 1517-1522, 1999 | 102 | 1999 |
| Identification of three mutations and associated haplotypes in the protoporphyrinogen oxidase gene in South African families with variegate porphyria L Warnich, MJ Kotze, IM Groenewald, JZ Groenewald, MG van Brakel, ... Human Molecular Genetics 5 (7), 981-984, 1996 | 98 | 1996 |
| The geology of the Richtersveld J De Villiers, APG Söhnge Government Printer, 1959 | 93 | 1959 |
| Analysis of the NRAMP1 gene implicated in iron transport: association with multiple sclerosis and age effects MJ Kotze, JNP de Villiers, RN Rooney, JJ Grobbelaar, EPG Mansvelt, ... Blood Cells, Molecules, and Diseases 27 (1), 44-53, 2001 | 86 | 2001 |
| The manganese deposits of the Union of South Africa J De Villiers Government Printer, 1960 | 74 | 1960 |
| A Reverse-Hybridization Assay for the Rapid and Simultaneous Detection of Nine HFE Gene Mutations C Oberkanins, A Moritz, JNP de Villiers, MJ Kotze, F Kury Genetic Testing 4 (2), 121-124, 2000 | 65 | 2000 |
| Efficiency of a closed-coupled solar pasteurization system in treating roof harvested rainwater PH Dobrowsky, M Carstens, J De Villiers, TE Cloete, W Khan Science of the Total Environment 536, 206-214, 2015 | 63 | 2015 |
| Founder mutations in the LDL receptor gene contribute significantly to the familial hypercholesterolemia phenotype in the indigenous South African population of mixed ancestry O Loubser, AD Marais, MJ Kotze2, N Godenir, R Thiart2, CL Scholtz2, ... Clinical genetics 55 (5), 340-345, 1999 | 43 | 1999 |
| CpG hotspot mutations at the LDL receptor locus are a frequent cause of familial hypercholesterolemia among South African Indians MJ Kotze, O Loubser, R Thiart, JNP de Villiers, E Langenhoven, L Theart, ... Clinical genetics 51 (6), 394-398, 1997 | 36 | 1997 |
| Earlier Age of Onset of Alzheimer's Disease in Patients with Both the Transferrin C2 and Apolipoprotein E‐ɛ4 Alleles SJ Van Rensburg, FCV Potocnik, JNP De Villiers, MJ Kotze, JJF Taljaard Annals of the New York Academy of Sciences 903 (1), 200-203, 2000 | 32 | 2000 |
| Predominance of a 6 bp deletion in exon 2 of the LDL receptor gene in Africans with familial hypercholesterolaemia R Thiart, CL Scholtz, J Vergotine, CF Hoogendijk, JNP de Villiers, ... Journal of medical genetics 37 (7), 514-519, 2000 | 28 | 2000 |
| Mutation− 59c→ t in repeat 2 of the LDL receptor promoter: reduction in transcriptional activity and possible allelic interaction in a South African family with familial … CL Scholtz, AV Peeters, CF Hoogendijk, R Thiart, JNP De Villiers, ... Human molecular genetics 8 (11), 2025-2030, 1999 | 28 | 1999 |
| Note on the minimum age of certain granites from the Richtersveld area J De Villiers, AJ Burger Ann. Geol. Surv. S. Afr. 6, 83-84, 1967 | 28 | 1967 |
| A review of the Cape Orogeny J De Villiers Annale. Kaapstad, 1944 | 28 | 1944 |
| Die Nederlandse era aan die Kaap, 1652-1806 J De Villiers F. Pretorius (red.), Geskiedenis van Suid-Afrika. Van voortye tot vandag, bl …, 2012 | 26 | 2012 |
| Analysis of viral and genetic factors in South African patients with multiple sclerosis JNP de Villiers, FK Treurnicht, L Warnich, J Carr, SJ van Rensburg, ... Metabolic brain disease 21, 156-162, 2006 | 26 | 2006 |
| Molecular diagnosis of hereditary hemochromatosis: application of a newly‐developed reverse‐hybridization assay in the South African population MJ Kotze, JNP De Villiers, CSH Bouwens, L Warnich, MG Zaahl, ... Clinical genetics 65 (4), 317-321, 2004 | 25 | 2004 |
| Multiple sclerosis, porphyria‐like symptoms, and a history of iron deficiency anemia in a family of Scottish descent RN Rooney, MJ Kotze, JNP de Villiers, R Hillermann, JA Cohen American journal of medical genetics 86 (2), 194-196, 1999 | 23 | 1999 |
| Effect of seaweed foliar sprays on fruit quality and mineral nutrition. J Villiers, WAG Kotze, M Joubert | 23 | 1983 |
| Extra-uterine pregnancy at or near term-a case report with a review of the literature JN De Villiers South African Medical Journal 28 (13), 254-260, 1954 | 23 | 1954 |
