Salmi, J [Daily fluctuation in the concentration of serum thyrotropin and the interpretation of results]. [electronic resource] - Duodecim; laaketieteellinen aikakauskirja 1991 - 331-5 p. digital Publication Type: Clinical Trial; Controlled Clinical Trial; Journal Article ISSN: 0012-7183 Subjects--Topical Terms: AdultAgedCircadian Rhythm--physiologyFemaleHumansHyperthyroidism--bloodHypothyroidism--bloodMaleMiddle AgedThyrotropin--blood