Thanaporn Phengkaew และ Atapol Sughondhabirom. (2020) A study on the prevalence of vitamin D deficiency in patients with schizophrenia at King Chulalongkorn Memorial Hospital. <i>Chulalongkorn Medical Journal</i>, <i>64</i>(2), 161-167.Thanaporn Phengkaew และ Atapol Sughondhabirom. "A study on the prevalence of vitamin D deficiency in patients with schizophrenia at King Chulalongkorn Memorial Hospital". Chulalongkorn Medical Journal 64 (2020):161-167.Thanaporn Phengkaew และ Atapol Sughondhabirom. A study on the prevalence of vitamin D deficiency in patients with schizophrenia at King Chulalongkorn Memorial Hospital. Faculty of Medicine Chulalongkorn University:ม.ป.ท. 2020.