[Studies on nutrition disorders in infants in rural communities in Japan. 1. A statistical observation of infant nutrition disorders in rural communities with high infant mortality].
D006801:Humans; D007223:Infant; D007226:Infant Mortality; D007228:Infant Nutrition Disorders / Q000453:epidemiology*; D007231:Infant, Newborn; D007564:Japan; D012423:Rural Health