BHAN, M K et al Publication Date 1989 p 281-288 Serial Title:Bulletin of The World Health Organization Serial Part:Vol 67 No 3 View webpage for full text https://apps.who.int/iris/handle/10665/46295 Keywords Health; diseases: communicable diseases (CD); systems: medical products vaccines and technologies Regional Focus South East Asia (SEARO) Country focus India Language English Type of material text Log in or register to post comments