Psychological study of a school phobia in one of a pair of identical twins.
D002648:Child; D006801:Humans; D007223:Infant; D001523:Mental Disorders; D009497:Neurotic Disorders; D009771:Obsessive-Compulsive Disorder; D010698:Phobic Disorders; D014430:Twins, Monozygotic
NEUROSES, OBSESSIVE COMPULSIVE/in infant and child