Columbia subject headings:
Gays--Mental health services.
Gays--Psychology.
Sexual minorities--Mental health services.
Sexual minorities--Psychology.
Harvard subject headings:
Bisexuality--Psychological aspects.
Gays--Mental health services.
Gays--Psychology
Gender identity
Homosexuality--Psychological aspects
Sexual minorities--Mental health services.
Sexual minorities--Psychology.
Transsexualism--Psychological aspects.
Princeton subject headings:
Gays--Mental health services.
Gays--Psychology.
Sexual minorities--Mental health services.
Sexual minorities--Psychology.