00301nam a2200109Ia 4500008004100000040001100041100001900052245004200071260005100113300001700164300001000181251112s9999||||xx |||||||||||||| ||und||  aCNCLSA  aD. J. Bartlett 0aJournal of Reproduction and Fertility  cJune 10, 1960bMacmillan Magazines LtdaLondon  aP. 1315-2010  bV. 54