Most-cited rankings are recalculated at the beginning of the month.
Rankings are based on citations to articles on this journal site from articles in HighWire-hosted journals.

1.
		January 13, 1978
		Jan 01, 1978; 16: 1-4. (In "Article")   [PDF]
2.
		January 14, 1977
		Jan 01, 1977; 15: 1-4. (In "Article")   [PDF]
3.
		April 22, 1970
		Jan 01, 1970; 8: 41-45. (In "Article")   [PDF]
4.
		March 29, 1963
		Jan 01, 1963; 1: 29-31. (In "Article")   [PDF]

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Last Updated: 11/07/2009 06:57:31