Authors: Peter A Singer; Solomon R Benatar; Mark Bernstein; Abdallah S Daar; Bernard M Dickens; Susan K MacRae; Ross E G Upshur; Linda Wright; Randi Zlotnik Shaul Journal: BMJ Date: 2003-12-06
Authors: Paul Ritvo; Kumanan Wilson; J L Gibson; C Guglietti; C S Tracy; J X Nie; A R Jadad; R E G Upshur Journal: BMC Public Health Date: 2010-03-11 Impact factor: 3.295