World health and disease :
Gray, A
World health and disease : edited by A Gray. 3rd ed. 2001. - 3rd ed. - Open UP, 2001 - 352p
033520838X
Epidemiology
World health
Social medicine
Developing countries
WA 105.
World health and disease : edited by A Gray. 3rd ed. 2001. - 3rd ed. - Open UP, 2001 - 352p
033520838X
Epidemiology
World health
Social medicine
Developing countries
WA 105.