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In the article by Dr. R. P. Dhanda, "Electroretinography in Night Blindness and Other Vitamin-A Deficiencies," in the December, 1955, issue, two errors occurred in the legend for Figure 8 (p. 847). The b-potentials should be 035 mv. and 0.30 mv., respectively, instead of 0.035 mv. and 0.030 mv.
CORRECTION. AMA Arch Ophthalmol. 1956;55(4):593. doi:10.1001/archopht.1956.00930030597019