Effect of Preventive Supplementation With Ready-to-use Therapeutic Food on the Nutritional Status, Mortality, and Morbidity of Children Aged 6 to 60 Months in Niger: A Cluster Randomized Trial / Left Ventricular Function and Exercise Capacity (JAMA: The Journal of the American Mediacl Association, Volume 301, Number 3, January 21, 2009) | Mass Market Paperback