Childhood cross-gender identification.
D000367:Age Factors; D002648:Child; D002653:Child Behavior Disorders / Q000175:diagnosis*; D002675:Child, Preschool; D006801:Humans; D007062:Identification, Psychological; D008297:Male; D010287:Parent-Child Relations; D010465:Perception; D012380:Role; D012727:Sex Characteristics; D012725:Sexual Behavior; D014189:Transsexualism / Q000175:diagnosis*