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Carlsson, S. V.; Vickers, A. J. Medical Clinics of North America (2020)
Zauber, A. G. Gastrointestinal Endoscopy Clinics of North America (2010)
Mokhtari, M.; Bach, P. B.; Tietjen, P. A.; Stover, D. E. Respiratory Medicine (2002)
Carson, S. S.; Bach, P. B. Critical Care Clinics (2002)
Winawer, S. J.; Zauber, A. G. Gastrointestinal Endoscopy Clinics of North America (2002)