Observations on twinning in marmosets

The free‐martin; a study of the action of sex hormones in the foetal life of cattle

Frank Lillie · Journal of Experimental Zoology · 1917 · 392 citations · Full text

Medicine, Animal Sciences, Endocrinology +10

II. Croonian lecture. - the developmental history of the primates

J. P. Hill · Philosophical Transactions of the Royal Society of London Series B Containing Papers of a Biological Character · 1932 · 155 citations · Full text

Life Sciences, Biology, Zoology +17

Structures and homologies of free‐martin gonads

B. H. Willier · Journal of Experimental Zoology · 1921 · 64 citations

Life Sciences, Anatomy, Biology +5

SUPPLEMENTARY NOTES ON TWINS IN CATTLE

Frank Lillie · Biological Bulletin · 1923 · 64 citations

Agriculture, Animal Sciences, Dairy Science +9

The reproductive cycle of New World monkeys

Edward W. Dempsey · American Journal of Anatomy · 1939 · 36 citations

Life Sciences, Biology, Zoology +14