An epidemiological study of smoking in urban school boys of Ajmer.
Autor: | Lall KB, Singhi S, Gurnani M, Chowdhary B, Garg OP |
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Jazyk: | angličtina |
Zdroj: | Indian journal of pediatrics [Indian J Pediatr] 1980 Sep-Oct; Vol. 47 (388), pp. 403-8. |
DOI: | 10.1007/BF02759840 |
Databáze: | MEDLINE |
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