[From ethnic difference to ethnic similarity. Foreword].
Tsutani
Kiichiro
K
Department of Drug Policy and Management, Graduate School of Pharmaceutical Sciences, The University of Tokyo, Tokyo, Japan. tsutani-tky@umin.ac.jp
Nakajima
Kazuhiko
K
D002986:Clinical Trials as Topic / Q000592:standards*; D005006:Ethnicity; D006801:Humans; D007391:International Cooperation