Geoffrey C. Marks

Daily sunscreen application and betacarotene supplementation in prevention of basal-cell and squamous-cell carcinomas of the skin: a randomised controlled trial

Adèle C. Green, Gail Williams, Rachel Ε. Neale et al. · The Lancet · 1999 · 979 citations

Medicine, Dermatology, Oncology +12

Nutrient composition of important fish species in Bangladesh and potential contribution to recommended nutrient intakes

Jessica Bogard, Shakuntala H. Thilsted, Geoffrey C. Marks et al. · Journal of Food Composition and Analysis · 2015 · 357 citations · Full text

Agriculture, Nutrition, Nutritional Sciences +17

THE SECOND NATIONAL HEALTH AND NUTRITION EXAMINATION SURVEY 1976%1980

Geoffrey C. Marks, Jean‐Pierre Habicht, William H. Mueller · American Journal of Epidemiology · 1989 · 191 citations

Social Sciences, Nutrition, Nutritional Sciences +17

Relative Validity of Food Intake Estimates Using a Food Frequency Questionnaire Is Associated with Sex, Age, and Other Personal Characteristics

Geoffrey C. Marks, Maria Celia B. Hughes, Jolieke C. van der Pols · Journal of Nutrition · 2006 · 173 citations

Life Sciences, Nutrition, Nutritional Sciences +14

Validation of a food-frequency questionnaire assessment of carotenoid and vitamin E intake using weighed food records and plasma biomarkers: The method of triads model

Sarah A. McNaughton, Geoffrey C. Marks, Philip T. Gaffney et al. · European Journal of Clinical Nutrition · 2004 · 124 citations

Life Sciences, Nutrition, Nutritional Sciences +17