Association between serum folate levels and schizophrenia based on sex. - Tomioka, Yukiko; Kinoshita, Makoto; Umehara, Hidehiro; Nakayama, Tomohiko; Watanabe, Shin‐ya; Nakataki, Masahito; Numata, Shusuke; Ohmori, Tetsuro (Psychiatry & Clinical Neurosciences, 2020)