An Ecological Risk Assessment for Chlorpyrifos in an Agriculturally Dominated Tributary of the San Joaquin River Nicholas N. Poletika,1* Kent B. Woodburn,2 and Kevin S. Henry2…
500 This Position Stand replaces the 1990 ACSM Position Stand, “The Recommended Quantity and Quality of Exercise for Developing and Maintaining Fitness in Healthy Adults.”…