World health organization guidelines for

World Health Organization, Guidelines for Drinking-Water Quality, Vol. 1, Geneva, (1984). 

World Health Organization Guidelines for the Treatment of Malaria. World Health Organization. Geneva, 2006. 

World Health Organization. Guidelines for the Assessment of Herbal Medicines. Programme on Traditional Medicines, Geneva, 1991. 

World Health Organization, Guidelines for ATC Classification and DDD Assignment, 2nd edn, WHO Collaborating Centre for Drug Statistic Methodology, Oslo, 1998. 

About 50 percent of the world s population does not have sewage treatment. Rivers downstream from large cities have become heavily polluted with fecal matter. The fecal coltform count in Asian rivers, the most contaminated in the world, is fifty times higher than the World Health Organization guidelines for appropriate sanitation. 

WORLD HEALTH ORGANIZATION, Guidelines for Drinking-water Quality, Volume 1 Recommendations, WHO, Geneva (1993) and Addendum to Volume 1 (1998). 

The World Health Organization guidelines for cancer pain recommend opioid treatment of moderate-to-severe cancer pain using oral medication whenever possible [6]. An extensive systematic review of opioids for cancer pain did not find clear evidence of superiority or inferiority of morphine over other opioids for cancer pain, and it remains a very commonly used treatment for cancer pain [38]. The variety of routes for morphine, including oral, rectal, intramuscular, intravenous, subcutaneous, and intrathecal, make it a highly versatile medication. 

World Health Organization Guidelines for drinking water quality. WHO, Geneve 1993. 

World Health Organization guidelines for drinking water... 

World Health Organization Guidelines for Drinking-water Quality, 4th Ed, 2011. DW-PV drinking water parametric value... 

World Health Organization, Guidelines for Efficacy Testing of Spatial Repellents, Control of Neglected Tropical Diseases, WHO Pesticide Evaluation Scheme, Geneva, Switzerland, 2013. 

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