The effect of small interfering RNAs agaist cytochrome P450 17α-hydroxylase/17,20-lyase (CYP17) on androgen biosynthesis in theca cell obtained from women with polycystic ovarian syndrome杜静, 梁晓燕, 曾海涛, 舒益民, 姚书忠, 朱波, 庄广伦

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