Injection cartridges of Streptolin '50' streptomycin, Middlesex, England, 1964
1964
1964
1976
1947
1976
1976
1955
1976
1978-1986
1966-1970
1985-1986
1947-1957
1976
1975-1980
1976
1976
1976
1976
1942-1943
1958
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1973-1979
1973-1979