Sousa, M A cytochemical study of the nucleolus and nucleolus-related structures during human spermatogenesis. [electronic resource] - Anatomy and embryology Nov 1994 - 479-87 p. digital Publication Type: Journal Article; Research Support, Non-U.S. Gov't ISSN: 0340-2061 Standard No.: 10.1007/BF00235495 doi Subjects--Topical Terms: Cell Nucleolus--chemistryHistocytochemistryHumansMaleNucleolus Organizer Region--ultrastructureSilver StainingSpermatids--ultrastructureSpermatogenesisVacuoles