Histological changes in the vaginal mucosa of the sow in relation to the oestrous cycle

The oestrous cycle in the mouse

Edgar Allen · American Journal of Anatomy · 1922 · 544 citations · Full text

Medicine, Endocrinology, Physiology +12

The existence of a typical oestrous cycle in the guinea‐pig—with a study of its histological and physiological changes

Charles R. Stockard, George N. Papanicolaou · American Journal of Anatomy · 1917 · 472 citations

Life Sciences, Endocrinology, Physiology +14

The oestrous cycle in the opossum

Carl G. Hartman · American Journal of Anatomy · 1923 · 116 citations

Life Sciences, Biology, Zoology +5

On the origin of the corpus luteum of the sow from both granulosa and theca interna

George W. Corner · American Journal of Anatomy · 1919 · 107 citations

Medicine, Anatomy, Embryology +5

The diagnosis of early human pregnancy by the vaginal smear method

George N. Papanicolaou · Experimental Biology and Medicine · 1925 · 63 citations

Medicine, Obstetrics, Pathology +14