Estrogens and estrogenic effects in Tilapia aurea (Cichlidae, Teleostei) Aviva TERKATIN-SHIMONY and Z. YARONAnn. Biol. anim. Bioch. Biophys., 18 4 (1978) 1007-1012DOI: https://doi.org/10.1051/rnd:19780539