Homans operation sign
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Homans' sign — Ho·mans sign hō mənz n pain in the calf of the leg upon dorsiflexion of the foot with the leg extended that is diagnostic of thrombosis in the deep veins of the area Homans John (1877 1954) American surgeon. Homans was a pioneer in the study of… … Medical dictionary
Spaceport America — entrance gate, in March 2010. IATA: 90NM – ICAO: K90NM – FAA LID: 90NM … Wikipedia
Invention of radio — Great Radio Controversy redirects here. For the album by the band Tesla, see The Great Radio Controversy. Contents 1 Physics of wireless signalling 2 Theory of electromagnetism … Wikipedia
