Is the cold chain for vaccines maintained in general practice?
| Autor: | Haworth EA, Booy R, Stirzaker L, Wilkes S, Battersby A |
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| Zdroj: | BMJ: British Medical Journal (International Edition); 7/24/93, Vol. 307 Issue 6898, p242-244, 3p |
| Databáze: | Complementary Index |
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