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Guidelines for surveillance of drug resistance in tuberculosis / [written by Wayne van Gemert ... [et al.]].
- 614.542 G94687 2009
- World Health Organization,
- c2009.
- Geneva :
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Guide to simple sanitary measures for the control of enteric diseases / by S. Rajagopalan, with a section on food sanitation by M.A. Shiffman.
- 614.51 R1613
- Rajagopalan, S.,
- World Health Organization,
- Geneva :