Fatal upper gastrointestinal hemorrhage or perforation among users and nonusers of nonsteroidal anti-inflammatory drugs in Saskatchewan, Canada 1983
Guess, H.A., West, R., Strand, L.M., Helston, D., Lydick, E.G., Bergman, U., Wolski, K.
Published in Journal of clinical epidemiology (1988)
Published in Journal of clinical epidemiology (1988)
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