Authors: J Levine; S Warrenburg; R Kerns; G Schwartz; R Delaney; A Fontana; A Gradman; S Smith; S Allen; R Cascione Journal: Psychosom Med Date: 1987 Mar-Apr Impact factor: 4.312
Authors: K B Wells; A Stewart; R D Hays; M A Burnam; W Rogers; M Daniels; S Berry; S Greenfield; J Ware Journal: JAMA Date: 1989-08-18 Impact factor: 56.272