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Background and Design: Analysis of the most frequently cited dermatology articles and the journals in which they appear identifies and emphasizes the impact of works of colleagues and predecessors, recognizes key advances in cutaneous medicine and surgery, and adds useful data about historical developments in dermatology. Use of citation analysis to examine the dermatologic literature reveals quantitative information about authors, articles, and journals helpful in identifying classic works and highimpact journals. We analyze the characteristics of all dermatology articles cited 100 or more times in one of the 10 most highly ranked clinical dermatology journals as indicated by the Institute of Scientific Information (Philadelphia, Pa) database from 1945 through 1990 and also discuss the standard and, as well, more recently described bibliometic indexes for dermatologic journals. Results: Thirty-one institutions located in 11 different countries produced 129 landmark articles. Ninety-two percent of the citation classics originated in the United States, United
D. Dubin (Wed,) studied this question.