Authors: M Mohan; R D Sperduto; S K Angra; R C Milton; R L Mathur; B A Underwood; N Jaffery; C B Pandya; V K Chhabra; R B Vajpayee Journal: Arch Ophthalmol Date: 1989-05
Authors: Y R Sharma; R B Vajpayee; R Bhatnagar; M Mohan; R V Azad; M Kumar; R Nath Journal: Indian J Ophthalmol Date: 1989 Jul-Sep Impact factor: 1.848
Authors: R Peto; R Gray; R Collins; K Wheatley; C Hennekens; K Jamrozik; C Warlow; B Hafner; E Thompson; S Norton Journal: Br Med J (Clin Res Ed) Date: 1988-01-30