Bloom and Goldstein Vol. 140, No. 6, March 23, 1997. Pages 1277–1280.Reference 18 was improperly cited in the third sentence of the above-mentioned paper. The corrected version of the sentence is “While the literature contains many additional reports supporting that view (7, 18, 28, 30, 32), it is also oddly replete with reports that secretion is unimpaired in cells depleted of MTs (12, 39, 41).”