Creutzfeldt-Jakob Disease and Related Transmissible Spongiform EncephalopathiesNEJM 339:1994-2004, Johnson,R.T. & Gibbs,Jr.,C.J., 1998
Evaluation Of Acromegaly By Radioimmunoassay Of Somatomedin-CNEJM 301:1138-1142, Clemmons,D.R.,et al, 1979