title: [Natural science, technology, and medicine of the 20th century in dates].
authors: J
authors: J
authors: Folta
authors: P
authors: P
authors: Drabek
mesh_terms: D002910:Chronology as Topic; D049673:History, 20th Century; D008511:Medicine; D012586:Science / Q000266:history; D013672:Technology / Q000266:history