Relationship of Socioeconomic Status with Psychological State and the Number of Weeks of Pregnancy at the Time of a First Prenatal Examination among Perinatal Women - Emori, Yoko; Amagai, Shizuka; Koizumi, Hitomi; Murai, Fumie; Kawano, Atsuko; Sankai, Chihoko (General medicine (Saga-shi, Japan), 2014)
Keywords: economic difficulty; educational state; income; maternal depression; socioeconomic status