Template:Ref-Guttmacher1921
From Embryology
Guttmacher MS. and Guttmacher AF. Morphological and physiological studies on the musculature of the mature graafian follicle of the sow. (1921) Johns Hopkins Hospital Bulletin 32: 391-399.
Guttmacher MS. and Guttmacher AF. Morphological and physiological studies on the musculature of the mature graafian follicle of the sow. (1921) Johns Hopkins Hospital Bulletin 32: 391-399.