00359nam a2200121Ia 4500008004100000022001400041040001100055100002100066245007700087260005000164300001300214300001000227251112s9999||||xx |||||||||||||| ||und||  a0023-6772  aCNCLSA  aK. E. V. Spencer 0aLaboratory AnimalsbJournal of the Laboratory Animal Science Association  cJanuary, 1985bLaboratory Animals LtdaLondon  aP. 1-390  bV. 19