
Assessment of thyroid functions in patients with chronic obstructive pulmonary disease
Keywords: T3, triiodothyronine; T4, thyroxin; TSH, thyroid-stimulating hormone; fT3, free triiodothyronine; fT4, free thyroxin; TT3, total triiodothyronine; TT4, total thyroxinCOPD; Thyroid hormones; Pulmonary function tests; Arterial blood gases