Authors: J A Kanis; O Johnell; B Gullberg; E Allander; G Dilşen; C Gennari; A A Lopes Vaz; G P Lyritis; G Mazzuoli; L Miravet Journal: BMJ Date: 1992-11-07
Authors: P C de Groen; D F Lubbe; L J Hirsch; A Daifotis; W Stephenson; D Freedholm; S Pryor-Tillotson; M J Seleznick; H Pinkas; K K Wang Journal: N Engl J Med Date: 1996-10-03 Impact factor: 91.245