The heart of the matter -- The evolution of the French medicine -- Coping with physicians' conflicts of interest in France -- The rise of a protected medical market : the United States before 1950 -- The commercial transformation : the United States, 1950-1980 -- The logic of medical markets : the United States, 1980 to the present -- Coping with physicians' conflicts of interest in the United States -- The evolution of Japanese medicine -- Coping with physicians' conflicts of interest in Japan -- Reforms -- Professionalism reconsidered.