Skeletal maturity of youths 12--17 years racial, geographic area, and socioeconomic differentials. United States, 1966-1970

Autor: A F, Roche, J, Roberts, P V, Hamill
Rok vydání: 1978
Předmět:
Zdroj: Vital and health statistics. Series 11, Data from the National Health Survey. (167)
ISSN: 0083-1980
Databáze: OpenAIRE