Table 1.
A tabulation of Medawar's experiments for inducing tolerance by inoculating foetal mice with cells from mice of different inbred strains, from September 1952 to May 1953. The data came from Medawar's laboratory notes stored in Box 43, Folder C156, Peter Brian Medawar Papers, Wellcome Library, London.
| Cases | Injected | Failed | Survival for 12–14 days | Survival for 15–30 days | Survival for 31 days or longer |
|---|---|---|---|---|---|
| EMB-85 | 3 | 1 | 1 | 1 | |
| EMB-68 | 4 | 3 | 1 | ||
| EMB-79 | 6 | 5 | 1 | ||
| EMB-103 | 4 | 2 | 1 | 1 | |
| EMB-102 | 7 | 6 | 1 | ||
| EMB-100 | 6 | 5 | 1 | ||
| EMB-94 | 3 | 1 | 2 | ||
| EMB-87 | 4 | 3 | 1 | ||
| EMB-77 | 5 | 3 | 2 | ||
| EMB-74 | 5 | 3 | 2 | ||
| EMB-73 | 6 | 3 | 3 | ||
| EMB-69 | 5 | 5 | |||
| EMB-64 | 5 | 4 | 1 | ||
| EMB-41 | 7 | 6 | 1 | ||
| EMB-180 | 7 | 6 | 1 | ||
| Total | 77 | 56 | 4 | 11 | 6 |
| Rate of success (all) | 27.3% | ||||
| Rate of success (graft survival for 15 days or longer) | 22.1% | ||||
| Rate of success (graft survival for 31 days or longer) | 7.8% | ||||