المؤلفون: Birks, C. A., Chambers, H. W., Cubitt, G. R., Hall, A. A., Hunter, J. A., Clouting, F. C., Fraser-Darling, A., Pimblett, G. B. S., Kemp, J. W., Scholey, J. W., Smallhorn, T., Walker, J.

المصدر: The British Medical Journal, 1963 Apr 01. 1(5335), 106-106.

URL الوصول: https://www.jstor.org/stable/20380344