De Smet, W M [First stages of development of the mesodermic leaf in Polypterus senegalus Cuvier]. [electronic resource] - Acta zoologica et pathologica Antverpiensia Sep 1975 - 3-28 p. digital Publication Type: English Abstract; Journal Article ISSN: 0001-7280 Subjects--Topical Terms: AnimalsCell DifferentiationEndoderm--cytologyFishes--embryologyMesoderm--cytology