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by David L. VanderZwaag, Nilüfer Oral, Tim Stephens
by Pridmore, Pat; Stephens, David
by Olsen, David C.; Stephens, Douglas; Olsen, David, Ph.D.
by Stephens, R. David
by Yochem, Angela; Carlson, David; Stephens, Tad
by Hacker, Kenneth L.; Albert, David; Benoit, William L.; et al.
by Jenkins, David Fraser; Stephens, Chris
by Stephens, David; Shoemaker, Kathryn
by Carter, David E.; Stephens, Suzanna Mw