00289nam a2200097Ia 4500008004100000040001100041245004200052260007400094300001300168300001000181251112s9999||||xx |||||||||||||| ||und||  aCNCLSA 4aThe Journal of Clinical Investigation  cJanuary, 1973bThe American Society for Clinical InvestigationaU.S.A  aP. 1-746  bV. 52