00357nam a2200109Ia 4500008004100000040001100041100001600052245010400068260004700172300001700219300001100236251112s9999||||xx |||||||||||||| ||und||  aCNCLSA  aR. Bressler 0aLife sciencesbthe international medium for rapid publicaton of communications in the life sciences  cJanuary 24, 2000bPergamon PressaNew York  aP. 1561-2216  bV. 464