Vardaman T H, Landreth K, Whatley S, Dreesen L J, Glick B
Infect Immun. 1973 Oct;8(4):674-6. doi: 10.1128/iai.8.4.674-676.1973.
Bursectomizing small bursa line birds produced susceptibility to Mycoplasma synoviae. This suggested that M. synoviae is B cell dependent, but does not rule out a T cell effect.