00357nam a2200109Ia 4500008004100000040001100041100002400052245009200076260005400168300001500222300001000237251112s9999||||xx |||||||||||||| ||und||  aCNCLSA  awalter F. Ballinger 4aThe Surgical Clinics of North AmericabPeptic Ulceration: Pathophysiology and Treatment  cApril, 1966bW. B. Saunders CompanyaPhiladelphia  aP. 233-482  bV. 46