Media type: E-Article Title: Preventing early problems Contributor: Spock, Benjamin imprint: American Psychological Association (APA), 1947 Published in: American Journal of Orthopsychiatry Language: English DOI: 10.1111/j.1939-0025.1947.tb05037.x ISSN: 1939-0025; 0002-9432 Keywords: Psychiatry and Mental health ; Psychology (miscellaneous) ; Arts and Humanities (miscellaneous) ; Developmental and Educational Psychology Origination: Footnote: