Yahr, Melvin D. (Melvin David), 1917-
| Title | Creator | Dates |
|---|---|---|
| Office of the Assistant Dean (Yahr) records | Columbia University. College of Physicians and Surgeons. Office of the Assistant Dean | 1956-1969. |
| Title | Creator | Dates |
|---|---|---|
| Melvin D. Yahr L-dopa (Levo-dopa) case records | Melvin D. Yahr, 1917-2004 | circa 1930-1945, circa 1951-1985 |