[Latent hypothyroidism. When should L-thyroxine be substituted?].
D000368:Aged; D006801:Humans; D007037:Hypothyroidism / Q000097:blood / Q000188:drug therapy*; D008875:Middle Aged; D013960:Thyroid Function Tests; D013974:Thyroxine / Q000008:administration & dosage*
D013974:Thyroxine