U.S. Department of Health and Human Services, National Institutes of Health, Eunice Kennedy Shriver National Institute of Child Health and Human Development announces the availability of funding for implementation of the Environmental Contributors to Autism Spectrum Disorders (R21) Exploratory/Developmental Research Grant. The purpose of this grant is to stimulate interest in pursuing hypotheses related to identification and mechanistic understanding of environmental contributors to risk and expression of autism spectrum disorders. The R21 grant mechanism is intended to encourage exploratory and developmental research projects by providing support for the early and conceptual stages of these projects. Contractors should refer . . .