Héctor Blaz Rodríguez

Stamps Format Vertical Héctor Blaz Rodríguez

International Year of Books and Reading
Guatemala
International Year of Books and Reading
Spain
Early detection of cancer
United States
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
25th Anniversary of the WHO (1948-1973)
Ghana
World Health Day
Mexico
Art and Science of Mexico: Biology
Mexico
Art and Science of Mexico: Biology
Mexico