Letters to the Editor.
| Autor: | Schade, Charles P.1, Garland, Merritt F.1, Seegar Jr., J. King B. E.1, Fink, Joseph L.2, Harkey, Ira, Wertheiner, Albert I.3, Hughes, John H.4, Roemer, Milton I.5 |
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| Zdroj: | American Journal of Public Health. Mar1977, Vol. 67 Issue 3, p269-270. 2p. |
| Databáze: | Business Source Ultimate |
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