Przykłady jednojęzyczne (niezredagowane i niesprawdzone przez PONS)

angielski
After diphtheria antiserum, tetanus serum and various bactericide serums for use in veterinary medicine were developed in rapid sequence.
en.wikipedia.org
He also made a decisive contribution to the development of an antiserum to combat diphtheria and conceived a method for standardizing therapeutic serums.
en.wikipedia.org

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