1. Albeaux-Fernet, M., Guiot, J., Braun, S., Cauvin, R., and Romani, J. D. (1955). Bull. Soc. med. Hop. Paris, 71, 220.
2. Archer, B. H. (1953). N.Y. St. J. Med., 53, 328.
3. Bergenstal, D. M. (1955). In discussion of Luft et al. (1955).
4. Beatson, G. T. (1896). Lancet, 2, 104, 162.
5. (1895-6). Trans. med.-chir. Soc. Edinb., 15, 153.