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3. Development of the third party payment concept for medical and pharmaceutical services. Campbell NA; Hammel RW Pharm Hist; 1973; 15():117-23. PubMed ID: 11609457 [No Abstract] [Full Text] [Related]
4. [Not Available]. De Marco O; Nebbia G Commun Hist Artis Med Suppl; 1977; (9-10):21-9. PubMed ID: 11631146 [No Abstract] [Full Text] [Related]