title: Subclinical hypothyroidism or thyroid autoimmunity and variant angina: by chance? Or with a chance?
authors: Department of Internal Medicine, College of Medicine, Yonsei University, Seoul, Korea.
authors: In Sook
authors: IS
authors: Kang
authors: Department of Internal Medicine, School of Medicine, Ewha Womans University, Seoul, Korea.
authors: Wook Bum
authors: WB
authors: Pyun