title: Changes in plasma LH levels during a photoperiodically controlled reproductive cycle in the canary (Serinus canarius).
mesh_terms: D000818:Animals; D002171:Canaries; D007986:Luteinizing Hormone / Q000097:blood*; D008297:Male; D010775:Photic Stimulation; D011863:Radioimmunoassay; D013737:Testis / Q000254:growth & development*; D013997:Time Factors
chemical_list: D007986:Luteinizing Hormone