00279nam a2200097Ia 4500008004100000040001100041100002200052245004200074260005500116300001000171251112s9999||||xx |||||||||||||| ||und||  aCNCLSA  aPhilip E. Bernatz 4aThe Surgical Clinics of North America  cAugust, 1973bW. B. Saunders CompanyaPhiladelphia  bV. 53