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- [6] MEDICAL-SCIENTIFIC DEVELOPMENT IN LATIN-AMERICA NEW ENGLAND JOURNAL OF MEDICINE, 1974, 290 (10): : 570 - 571
- [7] PRESENT STATUS OF SCIENTIFIC DEVELOPMENT IN LATIN-AMERICA, WITH EMPHASIS ON MEDICAL-RESEARCH ACTA CIENTIFICA VENEZOLANA, 1973, 24 (06): : 195 - 197