1972, Vol. 6, No. 3 The Journal of the American Medical Association Published by the American Medical Association, Chicago, Illinois Editorial Board President: Dr. James H. Hines Jr. Vice President: Dr. Robert M. Berdahl Secretary-Treasurer: Dr. John W. O'Donnell Executive Director: Dr. Paul R. McGehee Board of Editors Chairman: Dr. Edward G. Bickel Members: Dr. Arthur S. Baer Dr. Robert M. Berdahl Dr. James H. Hines Jr. Dr. John W. O'Donnell Dr. Paul R. McGehee Dr. Harold L. Kuntz Dr. William F. O'Brien Dr. Charles A. Bickel Dr. Richard G. Bickel Dr. Robert E. Bickel Dr. Robert J. Bickel Dr. Robert L. Bickel Dr. Robert M. Bickel Dr. Robert W. Bickel Dr. Robert Z. Bickel Dr. Robert A. Bickel Dr. Robert C. Bickel Dr. Robert D. Bickel Dr. Robert E. Bickel Dr. Robert F. Bickel Dr. Robert G. Bickel Dr. Robert H. Bickel Dr. Robert I. Bickel Dr. Robert J. Bickel Dr. Robert K. Bickel Dr. Robert L. Bickel Dr. Robert M. Bickel Dr. Robert N. Bickel Dr. Robert O. Bickel Dr. Robert P. Bickel Dr. Robert Q. Bickel Dr. Robert R. Bickel Dr. Robert S. Bickel Dr. Robert T. Bickel Dr. Robert U. Bickel Dr. Robert V. Bickel Dr. Robert W. Bickel Dr. Robert X. Bickel Dr. Robert Y. Bickel Dr. Robert Z. Bickel Editorial Staff Managing Editor: Dr. John W. O'Donnell Assistant Editors: Dr. Harold L. Kuntz Dr. William F. O'Brien Dr. Charles A. Bickel Dr. Richard G. Bickel Dr. Robert E. Bickel Dr. Robert J. Bickel Dr. Robert K. Bickel Dr. Robert L. Bickel Dr. Robert M. Bickel Dr. Robert N. Bickel Dr. Robert O. Bickel Dr. Robert P. Bickel Dr. Robert Q. Bickel Dr. Robert R. Bickel Dr. Robert S. Bickel Dr. Robert T. Bickel Dr. Robert U. Bickel Dr. Robert V. Bickel Dr. Robert W. Bickel Dr. Robert X. Bickel Dr. Robert Y. Bickel Dr. Robert Z. Bickel Advertising Manager: Dr. John W. O'Donnell Circulation Manager: Dr. Harold L. Kuntz Subscription Rates: One year, $10.00; two years, $18.00; three years, $25.00 Single copies, $3.00 Second-class postage paid at Chicago, Illinois. Published monthly except for July and August. Entered as second-class matter June 29, 1972, at the Post Office Department, Chicago, Illinois, under the Act of March 3, 1879. Address all editorial communications to: The Journal of the American Medical Association 535 N. Dearborn St., Chicago, Ill. 60610 Address all business communications to: The Journal of the American Medical Association 535 N. Dearborn St., Chicago, Ill. 60610