Field epidemiology.
Gregg, Michael B.
Field epidemiology. - New York Oxford University Press, 1996 - 275p.
0195072073
Disease Outbreaks
Epidemiologic Methods
Epidemiology-organization& administration
WA 105:N96F:GRE
Field epidemiology. - New York Oxford University Press, 1996 - 275p.
0195072073
Disease Outbreaks
Epidemiologic Methods
Epidemiology-organization& administration
WA 105:N96F:GRE