Talk:Impedance phlebography

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[edit] The

The statement, "For the chest, the technique was developed by NASA" is incorrect. Impedance Plethysmography was invented long before NASA existed. For example http://butler.cc.tut.fi/~malmivuo/bem/bembook/25/25.htm gives the following quote "The first publications concerning this method date back to the 1930s and 1940s (Atzler and Lehmann, 1931; Rosa, 1940; Holzer, Polzer, and Marko, 1946; Nyboer et al., 1940; Nyboer, Bango, and Nims, 1943; Nyboer, 1950). "