Template:Ref-ParkesBellerby1927
From Embryology
Studies on the internal secretions of the ovary: IV. The significance of the occurrence of œstrin in the placenta A. S. Parkes, C. W. Bellerby J Physiol. 1927 Mar 15; 62(4): 385–396. doi: 10.1113/jphysiol.1927.sp002368 PMCID: PMC1514981