P. M. Levin

发表

C. C. Conrad, P. M. Levin, 1954 .

P. M. Levin, 1936, Science.

P. M. Levin, 1938 .

P. M. Levin, P. Levin, 1949, Archives of neurology and psychiatry.

P. M. Levin, W. Parmley, J. Forrester, 1972 .