Authors: P Ravn; M Bidstrup; R D Wasnich; J W Davis; M R McClung; A Balske; C Coupland; O Sahota; A Kaur; M Daley; G Cizza Journal: Ann Intern Med Date: 1999-12-21 Impact factor: 25.391
Authors: M R McClung; P Geusens; P D Miller; H Zippel; W G Bensen; C Roux; S Adami; I Fogelman; T Diamond; R Eastell; P J Meunier; J Y Reginster Journal: N Engl J Med Date: 2001-02-01 Impact factor: 91.245