论文信息 - Letter: Changes in annual incidence rates of sudden unexpected deaths among infants in Philadelphia, 1960-1972. - 字舞流文

Letter: Changes in annual incidence rates of sudden unexpected deaths among infants in Philadelphia, 1960-1972.

M. Valdes-Dapena | V. Auerbach | L. Birle | J. A. McGovern

[1] I. Leetz,et al. [Results of the analysis of infant mortality in the German Democratic Republic in 1966 and 1967 and its development since 1963]. , 1969, Das Deutsche Gesundheitswesen.