Immunocytochemical and ultrastructural characterization of endocrine cells in the larval stomach of the frog Rana temporaria tadpoles: A comparison with adult specimens

1. Villaro, A.C.
2. Rovira, J.
3. Bodegas, M.E.
4. Burrell, M.A.
5. García-Ros, D.
6. Sesma, P.