00278nam a2200097Ia 4500008004100000040001100041100002400052245003600076260004900112300001900161251112s9999||||xx |||||||||||||| ||und||  aCNCLSA  aRobert M. Zollinger 4aThe American Journal of Surgery  c1959bJ. B. Lippincott CompanyaPhiladelphia  aP. 23449-26028