Understanding the twentieth century decline in chronic conditions among older men

Sonraí bibleagrafaíochta
Príomhchruthaitheoir:	Costa, Dora L.
Formáid:	LEABHAR
Teanga:	English
Foilsithe / Cruthaithe:	Cambridge National Bureau of Economic Research 1998.
Sraith:	NBER working paper series no.6859
Ábhair:	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.