论文部分内容阅读
我院于１９９４年６月至１９９６年１２月，调查２７６３名１２～２５岁男性青少年，发现第２次发育年龄为１３岁和本地区男性青春期发育正常值、绒毛膜促性激素（ＨＣＧ）值与性发育密切相关，现报告如下。１材料和方法男性外生殖器量具［１］为北京医科大学仪器厂制。Ｒ...
Our hospital from June 1994 to December 1996 investigated 2,763 male adolescents aged 12 to 25 years and found that the second developmental age was 13 years old and the normal development of male adolescent in this region, the value of human chorionic gonadotropin (HCG) and Sexual development is closely related, are as follows. 1 Materials and Methods male external genital measuring instrument [1] for the Beijing Medical University equipment factory system. R ...