World stamps
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Héctor Blaz Rodríguez
Colection
Healthy children for a better Colombia
Colombia
132 years of the Birth of the Servant of God
Venezuela
100 years of the synthesis of aspirin
Colombia
Constitutional Right to Health Protection
Mexico
XXII World Biennial Congress of the International College of Surgeons
Mexico
XVIII World Congress of the Transplant Society
Italy
V Interdisciplinary Symposium on Breast Diseases
Italy
Salernitana Medical School
Italy