Belt, W D Fine structure of the interstitial cells of Leydig in the squirrel monkey during seasonal regression. [electronic resource] - The Anatomical record Jan 1971 - 115-27 p. digital Publication Type: Journal Article ISSN: 0003-276X Standard No.: 10.1002/ar.1091690111 doi Subjects--Topical Terms: AnimalsBreedingCytoplasmic Granules