Material appearing below is thought to be of particular interest to Linacre Quarterly readers because of its moral, religious, or philosophic content. The medical literature constitutes the primary, but not the sole source of such material. In general abstracts are intended to reflect the substance of the original article. Contributions and comments from readers are invited (E.G. Laforet, MD., 170 Middlesex Rd Chestnut Hill, MA 02167.