A homozygous p.Glu150Lys mutation in the opsin gene of two Pakistani families with autosomal recessive retinitis pigmentosa.

Azam, M., Khan, M.I., Gal, A., Hussain, A., Shah, S.T.A., Khan, M.S., Sadeque, A., Bokhari, H., Collin, R.W.J., Orth, U., van Genderen,M.M., den Hollander, A.I., Cremers, F.P.M. and Qamar, R. 

Molecular Vision, 15:2526-2534 (2009).