Barbet AF, Lundgren A, Yi J, Rurangirwa FR, Palmer GH. Antigenic variation of Anaplasma marginale by expression of MSP2 mosaics. Infect Immun. 2000  ;68(11):6133-8.

Alleman AR, Palmer GH, McGuire TC, McElwain TF, Perryman LE, Barbet AF. Anaplasma marginale major surface protein 3 is encoded by a polymorphic, multigene family. Infect Immun. 1997  ;65(1):156-63.

Palmer GH, Eid G, Barbet AF, McGuire TC, McElwain TF. The immunoprotective Anaplasma marginale major surface protein 2 is encoded by a polymorphic multigene family. Infect Immun. 1994  ;62(9):3808-16.