Institutional and surveillance database use in epidemiologic research in developing countries: revisiting some limitations.
Younus
Muhammad
M
Department of Epidemiology, College of Human Medicine, Michigan State University, East Lansing, Michigan, USA.
Siddiqi
Azfar-e-Alam
AE
Khan
Bilquis Sana
BS
Steffey
Amy L
AL
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