A gray field used in printing the names of certain journals indicates that the abstracts immediately following have been prepared by the author of the article in cooperation with the listed journal. The boxed headings indicate that the abstracts which follow have been prepared by the JAMA staff from journals received in the AMA Archive-Library.
Archives of Dermatology, Chicago. JAMA. 1964;190(4):249. doi:10.1001/jama.1964.03070170163052