The aim of this issue of "Children in the Tropics" is to describe work that may be done by a motivated health team having only the strict minimum of material resources. While not a handbook of obstetrics, this text serves as a reminder of basic information and procedures workers must be able to perform. Following a review of the…

Efforts to prevent mental retardation have been encumbered by lack of scientific and technical knowledge, vague understanding of incidence and prevalence, and scarcity of resources to implement effective public policies. Scientific and social progress toward prevention has pursued a wavelike, erratic course, driven primarily by prevailing social,…