1) KURZRIK R. Biochemical studies of human semen. II. The action of semen on the human uterus.. Proc. Soc. Exp. Bio. Med.. (1930) vol.28, p.268-272.
2) VON EULER U. S. On the specific vaso-dilating and plain muscle stimulating substances from accessory genital glands in man and certain animals (prostaglandin and vesiglandin).. J. Physiol.. (1936) vol.88, p.213-234.
3) ELIASSON R. Prostaglandin. Acta Physiol. Scand.. (1959) vol.46, p.1-73.