RT Journal T1 MEthylparaben concentration, 0.1%. JF JAMA JO JAMA YR 1969 FD April 21 VO 208 IS 3 SP 518 OP 518 DO 10.1001/jama.1969.03160030092011 UL http://dx.doi.org/10.1001/jama.1969.03160030092011 AB In the Anesthesia Problem of the Month (No. 20), titled "Allergy to Local Anesthetics" and published Jan 13 (207:356-357), the acknowledgment note on page 357 contained an error. The concentration of methylparaben, as supplied by Astra Pharmaceutical Products, Inc., Worcester, Mass, was 0.1%, not 1% as published.