P W Callas

发表

M A Ricci, P L Moses, P W Callas, 1997, Telemedicine and telehealth networks : newsmagazine of distance healthcare.

M A Ricci, P W Callas, S J Knight, 1998, Telemedicine journal : the official journal of the American Telemedicine Association.

P W Callas, K. Leslie, P. Callas, 1996, Telemedicine journal : the official journal of the American Telemedicine Association.

M A Ricci, P W Callas, P. Callas, 2000, Telemedicine journal and e-health : the official journal of the American Telemedicine Association.

P W Callas, A. Mattia, D. Weaver, 1997, The American journal of surgical pathology.

P W Callas, A H Smith, A. Smith, 1988, International journal of epidemiology.