[Trends in the progress of Japanese nuclear medicine and comparison with the European trends--with special reference to number of oral presentations at the annual meetings of the Japanese Society of Nuclear Medicine].
D001634:Bibliographies as Topic; D003226:Congresses as Topic; D005060:Europe; D007564:Japan; D009683:Nuclear Medicine / Q000639:trends*; D012955:Societies, Medical; D014481:United States