
Molecular model of penicillin by Dorothy M Crowfoot Hodgkin, England, 1945
1945
1945
1945
1949
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1953-1955
1958
1942-1943
1942-1943
1942
1958
1945-1984
1964
1958-1960
1940-1981
1958
03-10-1930
1946
1942-1943
1942-1943
1944
1963
1943