... disease diarrhea investigation outbreak guideline preparation coleta Introduction The purpose of food service units (UPR) should not only feed the man, but "good feed him". This means not only offer products suitable sensory, but above all, safe products, in particular in the hygiene...

... screen, particularly for non-pathogenic infection. enteric parasite traveler molenaar parasite screening respondent diarrhea positive screen pathogen immunology society of petroleum engineers parasitic infection health & medicine questionnaire overseas screening parasite...

... Abstract Diarrhea and gastro-enteritis are a frequent problem on board rigs and in remote seismic crews all over the world. To date, there is no rapid and easy solution to this problem except to bring water samples back to sophisticated laboratories in large cities for analysis. Schlumberger...