Detection of COMTVal158Met Gene Polymorphism in Chronic Schizophrenic Patients at Psychiatric Unit of DR. Soetomo Hospital Surabaya, East Java, Indonesia

by Gwenny Ichsan Prabowo, Gwenny, Margarita Maria Maramis, Margarita, Erikavitri Yulianti, Erikavitri, Afrina Zulaikah, Afrina, Zain Budi Syulthoni, Zain, Citrawati Dyah Kencono Wungu, Citrawati, Hendy Muagiri Margono, Hendy, Retno Handajani, Retno