Understanding the twentieth century decline in chronic conditions among older men

Λεπτομέρειες βιβλιογραφικής εγγραφής
Κύριος συγγραφέας:	Costa, Dora L.
Μορφή:	Βιβλίο
Γλώσσα:	English
Έκδοση:	Cambridge National Bureau of Economic Research 1998.
Σειρά:	NBER working paper series no.6859
Θέματα:	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.