S. Wolf

Direct visual resolution of gene copy number in the human photopigment gene array.

A. Poustka, L. Sharpe, P. Lichter, 1999, Investigative ophthalmology & visual science.

M-cone opsin gene number does not correlate with variation in L/M-cone sensitivity

J. Kremers, L. Sharpe, B. Wissinger, 2002, Vision Research.