[Between 2 5-year plans].
D000900:Anti-Bacterial Agents / Q000096:biosynthesis / Q000138:chemical synthesis; D004345:Drug Industry / Q000266:history*; D049673:History, 20th Century; D013677:Medical Laboratory Science / Q000266:history*; D013678:Technology, Pharmaceutical / Q000266:history; D014586:USSR
D000900:Anti-Bacterial Agents
Na rubezhe dvukh piatiletok.