Jallageas, M Further evidence for reciprocal interactions between the annual sexual and thyroid cycles in male Peking ducks. [electronic resource] - General and comparative endocrinology Jan 1979 - 44-51 p. digital Publication Type: Journal Article ISSN: 0016-6480 Standard No.: 10.1016/0016-6480(79)90044-3 doi Subjects--Topical Terms: AnimalsCastrationDucksLuteinizing Hormone--bloodMalePeriodicityReproductionSeasonsTestosterone--bloodThyroid Gland--physiologyThyroidectomy