RT Journal Article SR Electronic T1 GENETIC CONTROL OF OVULATION RATE AND EMBRYO SURVIVAL IN MICE. I. RESPONSE TO SELECTION JF Genetics JO Genetics FD Genetics Society of America SP 905 OP 921 VO 61 IS 4 A1 Bradford, G. E. YR 1969 UL http://www.genetics.org/content/61/4/905.abstract AB