00295nam a2200109Ia 4500008004100000020001500041100001900056245004200075250000700117260005100124300001000175211105s9999    xx            000 0 und d  aVYASA00874  aKeighley M R B 0aAnatimicrobial Prophylaxis In Surgery  a\N  bPitman Medical Publishing Co. Ltd. Englandc\N  a241p.