Private Die Medicine Stamps Popular Among Physician-Collectors.Published in:Clinical Pediatrics, 1965, v. 4, n. 3, p. 186, doi. 10.1177/000992286500400313By:Springer, SherwoodPublication type:Article
A Brief Iranian Medical History through Commemorative Postage Stamps.Published in:Archives of Iranian Medicine (AIM), 2010, v. 13, n. 2, p. 161By:Afshar, AhmadrezaPublication type:Article
Private Dye Proprietary Stamps.Published in:Journal of Dermatologic Surgery & Oncology, 1979, v. 5, n. 3, p. 239, doi. 10.1111/j.1524-4725.1979.tb00651.xBy:Agris, JosephPublication type:Article