RAYCHAUDHURI, A K Are the first born more susceptible to functional mental diseases. [electronic resource] - The Journal of nervous and mental disease Nov 1956 - 478-86 p. digital Publication Type: Journal Article ISSN: 0022-3018 Standard No.: 10.1097/00005053-195611000-00007 doi Subjects--Topical Terms: ChildHumansMental Disorders--psychologyPsychology, ChildPsychotic Disorders