Institutional and surveillance database use in epidemiologic research in developing countries: revisiting some limitations.
Department of Epidemiology, College of Human Medicine, Michigan State University, East Lansing, Michigan, USA.
Muhammad
M
Younus
Azfar-e-Alam
AE
Siddiqi
Bilquis Sana
BS
Khan
Amy L
AL
Steffey
D015982:Bias; D019992:Databases as Topic; D003906:Developing Countries; D004812:Epidemiologic Methods; D016021:Epidemiologic Studies; D006801:Humans; D010154:Pakistan; D011159:Population Surveillance; D011634:Public Health; D012106:Research