Morphogenesis of postacrosomal cytoplasm in the spermatid head. Experimental study of hypophysectomized and testosterone-injected rams J. L. COURTENSAnn. Biol. anim. Bioch. Biophys., 18 6 (1978) 1455-1461DOI: https://doi.org/10.1051/rnd:19780718