Towards Development of an Edible Vaccine against Bovine Pneumonic Pasteurellosis Using Transgenic White Clover Expressing a Mannheimia haemolytica A1 Leukotoxin 50 Fusion Protein

le Lee, Raymond W. H., Strommer, Judith, Hodgins, Doug, Shewen, Patricia E., Niu, Yongqing, Lo, Reggie Y. C.
Foilsithe 2001