title: Classic pages in obstetrics and gynecology. Observations on certain rheological properties of human cervical secretion: Arthur Frederick Clift. Proceedings of the Royal Society of Medicine, vol. 39, pp. 1--9, 1945.
mesh_terms: D002582:Cervix Mucus / Q000502:physiology*; D004739:England; D005260:Female; D049673:History, 20th Century; D006801:Humans; D009774:Obstetrics / Q000266:history*; D011247:Pregnancy; D012212:Rheology