RESEARCHER PROFILE

John Morley Pettifor

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J

University of the Witwatersrand

Vitamin D Research StudiesBone health and osteoporosis researchParathyroid Disorders and TreatmentsChild Nutrition and Water AccessForensic Anthropology and Bioarchaeology Studies

John Morley Pettifor works in Vitamin D Research Studies, Bone health and osteoporosis research, Parathyroid Disorders and Treatments, Child Nutrition and Water Access, Forensic Anthropology and Bioarchaeology Studies. Recorded institutional associations include South African Medical Research Council, University of the Witwatersrand.

420Publications
13,635Citations
61H-index

ORCID

Inclusion identifies researchers whose recorded research contributions may inform their university’s understanding of its research community. It does not rank individual research quality or establish current employment.

Selected research works

Up to 100 highly cited works; DOI links open the original research. Counts reflect the collected record, not real-time citation totals.

  1. Global Consensus Recommendations on Prevention and Management of Nutritional Rickets

    2016 · 1,150 citations

  2. Global Consensus Recommendations on Prevention and Management of Nutritional Rickets

    2016 · 349 citations

  3. A Comparison of Calcium, Vitamin D, or Both for Nutritional Rickets in Nigerian Children

    1999 · 325 citations

  4. Cohort Profile: Mandela's children: The 1990 birth to twenty study in South Africa

    2007 · 321 citations

  5. Prevalence of vitamin D deficiency in Africa: a systematic review and meta-analysis

    2019 · 317 citations

  6. Nutritional rickets around the world: causes and future directions

    2006 · 288 citations

  7. Nutritional rickets: deficiency of vitamin D, calcium, or both?

    2004 · 288 citations

  8. Bone Response to Phosphate Salts, Ergocalciferol, and Calcitriol in Hypophosphatemic Vitamin D-Resistant Rickets

    1980 · 287 citations

  9. The prevalence of stunting, overweight and obesity, and metabolic disease risk in rural South African children

    2010 · 282 citations

  10. Calcium deficiency worldwide: prevalence of inadequate intakes and associated health outcomes

    2022 · 231 citations

  11. Rickets

    2017 · 208 citations

  12. Congenital malformations associated with the administration of oral anticoagulants during pregnancy

    1975 · 204 citations

  13. Rickets in children of rural origin in South Africa: Is low dietary calcium a factor?

    1978 · 159 citations

  14. Serum Levels of Free 1,25-Dihydroxyvitamin D in Vitamin D Toxicity

    1995 · 156 citations

  15. Nutritional rickets around the world: an update

    2016 · 154 citations

  16. Physical activity and sedentary behavior among adolescents in rural South Africa: levels, patterns and correlates

    2014 · 146 citations

  17. Age at menarche and the evidence for a positive secular trend in urban South Africa

    2008 · 145 citations

  18. Case-control study of factors associated with nutritional rickets in Nigerian children

    2000 · 139 citations

  19. Vitamin D dependency: Replacement therapy with calcitriol

    1981 · 126 citations

  20. Maternal Vitamin D Supplementation to Improve the Vitamin D Status of Breast-fed Infants: A Randomized Controlled Trial

    2013 · 115 citations

  21. 14th Vitamin D Workshop consensus on vitamin D nutritional guidelines

    2010 · 115 citations

  22. Has the prevalence of stunting in South African children changed in 40 years? A systematic review

    2015 · 114 citations

  23. Histological Osteomalacia Due to Dietary Calcium Deficiency in Children

    1982 · 112 citations

  24. Calcium and Vitamin D Metabolism in Children in Developing Countries

    2014 · 107 citations

  25. Severe hypervitaminosis A in siblings: Evidence of variable tolerance to retinol intake

    1987 · 107 citations

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