TY - GEN AU - Jolie,P E TI - Considering hyperestrogenism as a cause of anemia SN - 0003-1488 PY - 1990///0823 KW - Anemia KW - etiology KW - Animals KW - Bird Diseases KW - Estrogens KW - metabolism KW - Psittaciformes N1 - Publication Type: Letter; Comment ER -