BACKGROUND Separation of the pubic symphysis can occur during the peripartum period.Relaxin(RLX)is a hormone primarily s......

目的:了解沙井地区3～6岁儿童地中海贫血及G-6-PD酶(葡萄糖-6-磷酸脱氢酶)缺乏症现状.方法:对沙井地区的13家幼儿园的5884名在园儿童......