free T4 diurnal AM
Selected indexed studies
- Diurnal fluctuations in thyroid hormones - the Bispebjerg study of diurnal variations. (Scand J Clin Lab Invest, 2026) [PMID:42012991]
- Diurnal profiles of thyroid hormones are altered in depression. (J Affect Disord, 1992) [PMID:1545041]
- Thyrotropin secretion in healthy subjects is robust and independent of age and gender, and only weakly dependent on body mass index. (J Clin Endocrinol Metab, 2014) [PMID:24276453]
_Worker-drafted node — pending editorial review._
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Sources
- Diurnal profiles of thyroid hormones are altered in depression. (1992) pubmed
- The diurnal change of thyroid-stimulating hormone and the effect of this change on thyroid functions in patients with chronic kidney disease. (2023) pubmed
- Diurnal fluctuations in thyroid hormones - the Bispebjerg study of diurnal variations. (2026) pubmed
- Thyrotropin secretion in healthy subjects is robust and independent of age and gender, and only weakly dependent on body mass index. (2014) pubmed
- Diurnal patterns of cortisol and thyroid hormones in the Harbor seal (Phoca vitulina) during summer and winter seasons. (2004) pubmed
- The effects of photoperiod on growth rate and circulating thyroid hormone levels in the red drum, Sciaenops ocellatus: evidence for a free-running circadian rhythm of T(4) secretion. (2001) pubmed
- [Diurnal rhythms of thyroid hormones in rooster chicks (Gallus domesticus). 3. Studies on the changes in deiodination rate of thyroxine-I-131]. (1975) pubmed
- Hypothalamus-pituitary-thyroid axis interactions with pineal gland in the rat. (1979) pubmed