Characteristics of randomized controlled trials included in systematic reviews of nutritional interventions reporting maternal morbidity, mortality, preterm delivery, intrauterine growth restriction and small for gestational age and birth weight outcomes.
Villar
José
J
UNDP/UNFPA/WHO/World Bank Special Programme of Research, Development and Research Training in Human Reproduction, WHO, CH-1211 Geneva 27, Switzerland. villarj@who.int
Merialdi
Mario
M
Gülmezoglu
A Metin
AM
Abalos
Edgardo
E
Carroli
Guillermo
G
Kulier
Regina
R
de Onis
Mercedes
M
D001724:Birth Weight; D019587:Dietary Supplements; D005260:Female; D005317:Fetal Growth Retardation / Q000517:prevention & control*; D006801:Humans; D007226:Infant Mortality; D007231:Infant, Newborn; D007234:Infant, Premature; D007236:Infant, Small for Gestational Age; D009017:Morbidity; D009747:Nutritional Physiological Phenomena; D011247:Pregnancy; D011248:Pregnancy Complications / Q000517:prevention & control*; D016032:Randomized Controlled Trials as Topic