Effect of micronutrient supplement on health and nutritional status of schoolchildren: study design

Methods for evaluating area-wide and organisation-based interventions in health and health care: a systematic review.

Ukoumunne, Martin Gulliford, Chinn et al. · Health Technology Assessment · 1999 · 1.2K citations · Full text

Public Affairs, Health Care Management, Health Policy +17

Effects of repletion with zinc and other micronutrients on neuropsychologic performance and growth of Chinese children

Harold H. Sandstead, James G. Penland, Nancy W. Alcock et al. · American Journal of Clinical Nutrition · 1998 · 254 citations

Agriculture, Nutrition, Nutritional Sciences +13

Advanced Statistics:Statistical Methods for Analyzing Cluster and Cluster‐randomized Data

Robert L. Wears · Academic Emergency Medicine · 2002 · 199 citations · Full text

Public Health, Biostatistics, Epidemiologic Methods +15

Effect of iron-, iodine-, and β-carotene–fortified biscuits on the micronutrient status of primary school children: a randomized controlled trial

Martha E. van Stuijvenberg, Jane Kvalsvig, Mieke Faber et al. · American Journal of Clinical Nutrition · 1999 · 190 citations · Full text

Agriculture, Nutrition, Nutritional Sciences +16

Design and analysis of cluster randomization trials in health research

Transactions of the Royal Society of Tropical Medicine and Hygiene · 2001 · 180 citations

Public Health, Biostatistics, Health Sciences +17