Thyrostimulin, a heterodimer of two new human glycoprotein hormone subunits, activates the thyroid-stimulating hormone receptor. - Nakabayashi,K.; Matsumi,H.; Bhalla,A.; Bae,J.; Mosselman,S.; Hsu,S.Y.; Hsueh,A.JW. (J Clin Invest, 2002)