RT Journal A1 Grzegorzewski E T1 INternational cooperation in postgraduate medical education—cross-fertilization of ideas JF Journal of the American Medical Association JO Journal of the American Medical Association YR 1959 FD August 29 VO 170 IS 18 SP 2157 OP 2159 DO 10.1001/jama.1959.03010180009004 UL http://dx.doi.org/10.1001/jama.1959.03010180009004 AB It would be impossible and perhaps superfluous to attempt to review in a brief statement all the efforts and methods applied internationally in relation to what some call "post-basic" medical education. Therefore, I shall limit my remarks to a few more general aspects of the subject.The desire to share with others the benefits of advanced knowledge was characteristic of all truly great civilizations. Indeed many famous centers of science in the East and the West alike, at the time of their flourishing, spread medical knowledge far beyond the boundaries of their countries. Because of its multiple roots, its goals and its applicability, medicine is with good reason looked upon as an international science and a part of a world-wide civilization.Outstanding medical achievements sometimes place one or another nation ahead of the others and make such a nation the example and the teacher. So far in history such a