Light-dependence of fluorescence of solutions of cigarette smoke.
In the issue of 2 September, page 421, the address of Hermann Druckrey, coauthor of the paper "Light-dependence of fluorescence of solutions of cigarette smoke," was incorrectly given as Sloan-Kettering Institute for Cancer Research, New York. Dr. Druckrey's address is Chirurgische Universitäts-Klinik, Hugstetterstrasse 55, Freiburg im Breisgau, Germany.
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