AU - Buxton L TI - THe evolution of refraction and its necessity PT - JOUR DP - 1909 TA - Journal of the American Medical Association pages = {1048-1049}, VI - LII IP - 13 AID - 10.1001/jama.1909.02540390044012 [doi] 4100 - http://dx.doi.org/10.1001/jama.1909.02540390044012 SO - Journal of the American Medical Association March 27, 1909 LII(13):1048