A 48-year-old man comes to the clinic with symptoms of ...

A 48-year-old man comes to the clinic with symptoms of sexual dysfunction. He states that for the last year and a half, he has had a markedly decreased libido and trouble maintaining an erection. ... (TSH) level will be abnormally low in patients with hyperthyroidism and is a very specific test for this disorder. A chest x-ray (choice A) is not ... ................
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