title: BCG immunization: is it really efficacious and cost-effective?
authors.affiliation: Centre for Community Medicine, All India Institute of Medical Sciences, Ansari Nagar, New Delhi. sgupta_91@yahoo.co.in
authors.forename: Ritesh
authors.initials: R
authors.lastname: Singh
authors.forename: Sanjeev Kumar
authors.initials: SK
authors.lastname: Gupta