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SOCIAL AND BIOLOGICAL FACTORS IN INFANT MORTALITY : VARIATION OF MORTALITY WITH MOTHER'S AGE AND PARITY
J. A. Heady, J. N. MorrisVolume:
66
Year:
1959
Language:
english
Pages:
17
DOI:
10.1111/j.1471-0528.1959.tb02099.x
File:
PDF, 1.22 MB
english, 1959