CJCP     2014 16 (4):  397-400    ISSN: 1008-8830  CN: 43-1301/R Clinical efficacy of letrozole in boys with idiopathic central precocious puberty ZHAO Xiu, ZHANG Qin Department of Endocrinology, Shenzhen Children's Hospital, Shenzhen, Guangdong 518026, China Received: 2013-08-12  Revised: 2014-02-17  Online: null Supporting info null