title: Letter: Serum thyrotrophin and lipid levels in summer and winter.
mesh_terms: D000328:Adult; D002784:Cholesterol / Q000097:blood*; D006801:Humans; D008297:Male; D012621:Seasons; D013548:Sweden; D013696:Temperature; D013972:Thyrotropin / Q000097:blood*; D014280:Triglycerides / Q000097:blood*
chemical_list: D014280:Triglycerides; D013972:Thyrotropin; D002784:Cholesterol