Columbia subject headings:
Eye--Diseases--Genetic aspects--Congresses.
Retinitis pigmentosa--Genetic aspects--Congresses.
Harvard subject headings:
Eye--Diseases--Genetic aspects--Congresses.
Retinitis pigmentosa--Genetic aspects--Congresses.
Princeton subject headings:
Eye--Diseases--Genetic aspects--Congresses.
Retinitis pigmentosa--Genetic aspects--Congresses.