1. Departments of Pediatrics (J.R., N.B.), University of Kansas Medical Center, Ralph L. Smith Research Center, Kansas City, Kansas 66160-7338
2. Molecular and Integrative Physiology (J.R., X.Z., W.-G.M., S.K.D.), University of Kansas Medical Center, Ralph L. Smith Research Center, Kansas City, Kansas 66160-7338
3. Pharmacia Research and Development (T.J.M.), Skokie, Illinois 60077