Alper T., et al. 1967
Alper T., Cramp W.A.,.Haig D.A, and Clarke M.C. (1967). Does the agent of scrapie replicate without nucleic acid? Nature, 214: 764-766.
Alper T., Cramp W.A.,.Haig D.A, and Clarke M.C. (1967). Does the agent of scrapie replicate without nucleic acid? Nature, 214: 764-766.