title: Special solutions to phallic-aggressive conflicts in male twins.
mesh_terms: D000328:Adult; D000374:Aggression / Q000523:psychology*; D006801:Humans; D007207:Individuation; D008297:Male; D009813:Oedipus Complex; D011606:Psychosexual Development; D012801:Sibling Relations; D014427:Twins / Q000523:psychology*