BIENIARZ, J Influence of vertebrate gonadotropic hormones upon the reproductive cycle of certain protozoa in frogs. [electronic resource] - Nature Apr 1950 - 650 p. digital Publication Type: Journal Article ISSN: 0028-0836 Standard No.: 10.1038/165650a0 doi Subjects--Topical Terms: AnimalsAnuraEukaryotaGonadotropinsHumansReproductionVertebrates