Additional two-year clinical fellowships in pediatric cardiology are offered in the Department of Pediatrics of the Yale University School of Medicine available July 1, 1964, but may start later if desired. The stipend is comparable to other similar fellowships. The candidate must be a citizen of the United States or have declared his intention. Intensive experience in clinical diagnosis and treatment, extensive training in laboratory procedures (cardiac catheterization, angiocardiography, intracardiac phonocardiography, electro- and vectorcardiography), opportunity for clinical and laboratory research, and related basic sciences are offered.