Sack, R. B., Kline, R. L., & Spira, W. M. (1988). Oral immunization of rabbits with enterotoxigenic Escherichia coli protects against intraintestinal challenge.
Dyfyniad Arddull ChicagoSack, R B., R L. Kline, and W M. Spira. Oral Immunization of Rabbits With Enterotoxigenic Escherichia Coli Protects against Intraintestinal Challenge. 1988.
Dyfyniad MLASack, R B., R L. Kline, and W M. Spira. Oral Immunization of Rabbits With Enterotoxigenic Escherichia Coli Protects against Intraintestinal Challenge. 1988.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.