1CHEN R T,RASTOGI S C,MULLEN J R. The vaccinne adverse event reporting system (VAERS)[J].VACCINE,1994,(06):542-550.
2FINE P E M,CHEN R T. Confounding in studies of adverse reactions to vaccines[J].American Journal of Epidemiology,1992,(02):121-135.
3GLOSSER J W. Conservation and wildlife preservation challenges for veterinarians[J].Journal of the American Veterinary Medical Association,1993,(07):1078-1080.
4GLOYD J S. Over-the-counter pet vaccines:legal,but inadvisable[J].Journal of the American Veterinary Medical Association,1992,(10):1453-1454,1457.