Some notes and an exercise with regard to male homosexuality.
D000367:Age Factors; D000368:Aged; D001291:Attitude of Health Personnel; D002668:Child Rearing; D003192:Compulsive Behavior; D003863:Depression / Q000209:etiology; D005783:Gender Identity; D006716:Homosexuality; D006801:Humans; D007398:Interpersonal Relations; D008297:Male; D008875:Middle Aged; D009769:Object Attachment; D011570:Psychiatry