46,XY disorders of sex development dengan penyebab defisiensi 5 alfa-reduktase tipe 2 di Indonesia: pola mutasi, hubungan genotipe-fenotipe, akurasi rasio testosteron/dihidrotestosteron dan rasio etiokolanolon/androsteron urin dalam diagnosis = 5 Alpha-Reductase deficiency type 2 as the etiology of 46,XY disorders of sex development in Indonesia: molecular characterization, genotype-phenotype correlations, the accuracy of testosterone/dihydrotestosterone ratio and urinary etiocholanolone/andros