Detection of Helicobacter Pylori O, VacA and CagA antigens in the volunteers samples during a powerfull solar flare on September 2017 having its effect throughout the next months
Effects of moderate doses of vitamin A as an adjunct to the treatment of pneumonia in underweight and normal-weight children: a randomized, double-blind, placebo-controlled trial
Emergency room visit for respiratory conditions in children increased after Guagua Pichincha Volcanic eruptions in April 200 in Quito, Ecuador Observational Study: Time Series Analysis