Hubungan Kadar Kisspeptin, Neurokinin B dan Dinorfin terhadap Rasio LH/FSH serta Polimorfisme dan Metilasi DNA Gen KISS1 pada Pasien Sindrom Ovarium Polikistik Nir-obese = Relationship of Kisspeptin, Neurokinin B and Dynorfin Levels to the LH/FSH Ratio and Polymorphism and DNA Methylation of the KISS1 Gene in Lean Polycystic Ovary Syndrome Patients