Effect of outdoor air pollution on asthma exacerbations in children and adults: Systematic review and multilevel meta-analysis.
BACKGROUND:Several observational studies have suggested that outdoor air pollution may induce or aggravate asthma.However, epidemiological results are inconclusive due to the presence of The Effect of Urine Concentration and pH on the Growth of Escherichia Coli in Canine Urine In Vitro numerous moderators which influence this association.The goal o