Understanding the twentieth century decline in chronic conditions among older men

Opis bibliograficzny
1. autor:	Costa, Dora L.
Format:	Książka
Język:	English
Wydane:	Cambridge National Bureau of Economic Research 1998.
Seria:	NBER working paper series no.6859
Hasła przedmiotowe:	Occupational diseases > History > 20th century. > United States. Industrial safety > History > 20th century. > United States. Communicable diseases > Prevention > History > 20th century. > United States. Aged men > Health and hygiene > History > 20th century. > United States.