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An OAS observer has monitored the government's peace process with the paramilitaries, lending the negotiations much-needed international credibility.
en.wikipedia.org During the next few years he worked as an international advisor and was an election monitor for the OAS.
en.wikipedia.org Instead, he would wait until the OAS deadline runs out, and then return to his country.
en.wikipedia.org Individuals with an allergy to tree pollen may develop OAS to a variety of foods.
en.wikipedia.org This form of apple allergy also includes OAS, but often has more severe symptoms, such as vomiting, abdominal pain and urticaria, and can be life-threatening.
en.wikipedia.org