Authors: John Hsu; Mary Price; Richard Brand; G Thomas Ray; Bruce Fireman; Joseph P Newhouse; Joseph V Selby Journal: Health Serv Res Date: 2006-10 Impact factor: 3.402
Authors: J Frank Wharam; Amy Johnson Graves; Fang Zhang; Stephen B Soumerai; Dennis Ross-Degnan; Bruce E Landon Journal: J Gen Intern Med Date: 2012-04-29 Impact factor: 5.128