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by Spitzer, John; Zaslaw, Neal
by Abrahams, Roger D.; Spitzer, Nick; Szwed, John F.; et al.
by Spitzer, John
by John J. Spitzer M.D.
by Herrnson, Paul S.; Green, John C.; Broder, David S.; et al.
by Herrnson, Paul S.; Green, John C.; Bibby, John F.; et al.
by Spitzer, Mark; Vanderslice, John
by Garfinkel, Marvin; Spitzer, John B.