Authors: H A Tejeda; S B Green; E L Trimble; L Ford; J L High; R S Ungerleider; M A Friedman; O W Brawley Journal: J Natl Cancer Inst Date: 1996-06-19 Impact factor: 13.506
Authors: R S Caraballo; G A Giovino; T F Pechacek; P D Mowery; P A Richter; W J Strauss; D J Sharp; M P Eriksen; J L Pirkle; K R Maurer Journal: JAMA Date: 1998-07-08 Impact factor: 56.272