Epidemiological studies in medical practice pose practical challenges in developing countries--a situational analysis.
Jayanthi
V
V
Department of Digestive Health and Diseases, Government Peripheral Hospital, Kilpauk Medical College and Hospital, Chennai, India.
Prasanthi
R
R
Srinivasan
V
V
D003906:Developing Countries; D016021:Epidemiologic Studies; D006801:Humans