Home › Authors › Jack W. Shields, M.D., M.S., F.A.C.P. and J.M. Yoffey, D.Sc., M.D., F.R.C.S. 👤 Jack W. Shields, M.D., M.S., F.A.C.P. and J.M. Yoffey, D.Sc., M.D., F.R.C.S. 1 book Books by Jack W. Shields, M.D., M.S., F.A.C.P. and J.M. Yoffey, D.Sc., M.D., F.R.C.S. The tropoc function of lymphoi The tropoc function of lymphoid elements 1972