[Test of a new work system in the Child Center: Health Center No. 5, 1957-1958].
D002648:Child; D053198:Child Nutrition Sciences / Q000193:education*; D002669:Child Welfare; D006761:Hospitals; D006801:Humans; D007223:Infant; D007227:Infant Nutritional Physiological Phenomena / Q000193:education*
CHILD WELFARE; HOSPITALS; INFANT NUTRITION/education