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article
By Robin Eisner
[Published 1st April 1991]
article
By Jeffrey Mervis
[Published 1st April 1991]
article
By Diana Morgan
[Published 1st April 1991]
article
By Se Luria
[Published 1st April 1991]
article
By Arnold Thackray
[Published 1st April 1991]
article
By Ronald Lohrding
[Published 1st April 1991]
article
By Alan Levitt
[Published 1st April 1991]
article
By Sandra Witelson
[Published 1st April 1991]
article
By Abigail Grissom
[Published 1st April 1991]
article
[Published 1st April 1991]
article
[Published 1st April 1991]
article
[Published 1st April 1991]
article
[Published 1st April 1991]
article
[Published 1st April 1991]
article
By Kathryn Phillips
[Published 1st April 1991]
article
[Published 1st April 1991]
article
By Barbara Spector
[Published 1st April 1991]
article
By Michael Root
[Published 1st April 1991]
article
By Rebecca Andrews
[Published 1st April 1991]
article
By Jeffrey Mervis
[Published 1st April 1991]
article
[Published 1st April 1991]
article
By Jeffrey Mervis
[Published 15th April 1991]
article
By Elizabeth Pennisi
[Published 15th April 1991]
article
By Robin Eisner
[Published 15th April 1991]
article
By Lee Kimball
[Published 15th April 1991]
article
By James Tankard, Sharon Dunwoody, Michael Ryan
[Published 15th April 1991]
article
By Douglas Kelly
[Published 15th April 1991]
article
By Samuel Raymond
[Published 15th April 1991]
article
By Kim Barrett
[Published 15th April 1991]
article
By William Doane, Jack Koenig
[Published 15th April 1991]
article
By Elizabeth Pennisi
[Published 15th April 1991]
article
[Published 15th April 1991]
article
[Published 15th April 1991]
article
[Published 15th April 1991]
article
By Simon Silver
[Published 15th April 1991]
article
By Terrence Sejnowski
[Published 15th April 1991]
article
By Dennis Curran
[Published 15th April 1991]
article
By Bruce Buchanan
[Published 15th April 1991]
article
By Theodore Davidson
[Published 15th April 1991]
article
By Scott Huler
[Published 15th April 1991]
article
[Published 15th April 1991]
article
By Barbara Spector
[Published 15th April 1991]
article
By Barbara Spector
[Published 15th April 1991]
article
By Rebecca Andrews
[Published 15th April 1991]
article
By Jeffrey Mervis
[Published 15th April 1991]
article
[Published 15th April 1991]
article
By Diane Brozek
[Published 29th April 1991]
article
By Jeffrey Mervis
[Published 29th April 1991]
article
By Dorothy Cheney, Robert Seyfarth
[Published 29th April 1991]
article
[Published 29th April 1991]
article
By Eugene Garfield
[Published 29th April 1991]
article
By Laurel Joyce
[Published 29th April 1991]
article
[Published 29th April 1991]
article
[Published 29th April 1991]
article
[Published 29th April 1991]
article
[Published 29th April 1991]
article
By Jeff Seiken
[Published 29th April 1991]
article
[Published 29th April 1991]
article
By Edward Silverman
[Published 29th April 1991]
article
By Rebecca Andrews
[Published 29th April 1991]
article
By Ricki Lewis, Holly Ahern
[Published 29th April 1991]
article
By Jeffrey Mervis
[Published 29th April 1991]
article
[Published 29th April 1991]
article
By Marcia Clemmitt
[Published 29th April 1991]