Methods of assessing the physical fitness of children; a study of certain methods based on anthropometric, clinical, and socioeconomic observations made of 713 7-year old white boys and girls in New Haven, Conn., over a period of 19 or 20 months during 19
At head of title: United States Department of labor. Frances Perkins, secretary. Children's bureau. Katharine F. Lenroot, chief "List of references": p. 115-121
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