Maldonado, C Ultrastructural and immunocytochemical study of the myoendocrine cells of the fish Hypostomus cordovae. [electronic resource] - Anatomy and embryology Dec 1992 - 557-61 p. digital Publication Type: Journal Article; Research Support, Non-U.S. Gov't ISSN: 0340-2061 Standard No.: 10.1007/BF00186978 doi Subjects--Topical Terms: AnimalsAtrial Natriuretic FactorCytoplasmic Granules--ultrastructureFemaleFishes--anatomy & histologyHeart Atria--cytologyImmunohistochemistryMaleMuscle Proteins--analysisSeasons