Bellastella, A Circannual rhythms of plasma growth hormone, thyrotropin and thyroid hormones in prepuberty. [electronic resource] - Clinical endocrinology May 1984 - 531-7 p. digital Publication Type: Journal Article ISSN: 0300-0664 Standard No.: 10.1111/j.1365-2265.1984.tb00101.x doi Subjects--Topical Terms: ChildCross-Sectional StudiesFemaleGrowth Hormone--bloodHumansItalyMalePeriodicityPubertyThyrotropin--bloodThyroxine--bloodTriiodothyronine--blood