00489nam a22001097a 4500999001700000245017300017260007200190300001100262650001300273942000700286952008600293  c18990d18990  aWeight at birth and survival of the newborn :bby geographic divisions and urban and rural areas, United States, early 1950 /cUS Dept. of Health, Education and Welfare  aWashington, DC :bUS Dept. of Health, Education and Welfare,c1965.  a218 p.  aNewborn   cRB  00104070aAIISHbAIISHd2022-07-26l0pR26r2022-07-26 00:00:00w2022-07-26yRB