Sage Journals: Discover world-class research

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Research article

First published 1987-3

Free T4 Measurement is Preferred to the T4 Test for Thyroid Evaluation in Lithium Treated Patients

S.P. Kutcher, S.M. Gow

The Canadian Journal of Psychiatry

Free access

Research article

First published 1989-11

Critical Assessment of the Amerlite Free T4 Assay

C P Reilly, K J Adamek, M L Wellby

Annals of Clinical Biochemistry: International Journal of Laboratory Medicine

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Research article

First published 2021-6

Biological variation of total thyroxine (T4),free T4 and thyroid-stimulating hormone in 11 clinically healthy cats

Anne Jordan, Rachael Gray, Michael Terkildsen [...]

Journal of Feline Medicine and Surgery

Open access

Research article

First published 2025-12

Free T4 Age-Specific Reference Intervals from Birth to the 10 th Decade of Life Using Direct Dialysis

Caixia Bi, Emily I. Schindler, Ethan M. Li [...]

Thyroid®

Retricted access

Research article

First published 2015-08

Circadian and Circannual Rhythms in Thyroid Hormones: Determining the TSH and Free T4 Reference Intervals Based Upon Time of Day,Age,and Sex

Joel Ehrenkranz, Phillip R. Bach, Gregory L. Snow [...]

Thyroid®

Free access

Research article

First published 1986-7

Preparation of (T3+T4)-Free Pooled Plasma

E N Grundy, A M Smith

Annals of Clinical Biochemistry: International Journal of Laboratory Medicine

Retricted access

Research article

First published 2021-10

Impact of an Interprofessional Collaborative Quality Improvement Initiative to Decrease Inappropriate Thyroid Function Testing

Alyssa B. Bradshaw, Alex K. Bonnecaze, Cynthia A. Burns [...]

Hospital Pharmacy

Free access

Research article

First published 1979-1

Preparation of Thyroxine (T4) and Triiodothyroxine (T3) Free Serum Avoiding Charcoal Fines

C. Stockhill

Annals of Clinical Biochemistry: International Journal of Laboratory Medicine

Retricted access

Research article

First published 2023-10

Concurrently Increased Free T4 and Incompletely Suppressed TSH Concentrations Are Mainly Related to Levothyroxine Use

Mitsuru Ito, Takashi Akamizu

Clinical Thyroidology®

Free access

Research article

First published 2013-11

Longitudinal assessment of thyroid function in pregnancy

Elif I Ekinci, Zhong X Lu, Ken Sikaris [...]

Annals of Clinical Biochemistry: International Journal of Laboratory Medicine

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