Tiwari, M2001-04-212009-05-272001-04-212009-05-272001-04-21Tiwari M. Research in office practice. Indian Pediatrics. 2001 Apr; 38(4): 376-7http://imsear.searo.who.int/handle/123456789/7883engHumansIndiaPractice Management, Medical --organization & administrationResearch --organization & administrationJournal Article