title: Practical epidemiology and biostatistics in research.
authors.affiliation: Department of Community Health Sciences, Aga Khan University, Karachi.
authors.forename: A F
authors.initials: AF
authors.lastname: Qureshi
authors.forename: M A
authors.initials: MA
authors.lastname: Lobo
mesh_terms: D001699:Biometry; D004813:Epidemiology; D012106:Research