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- [21] Notes on the Republic of Ecuador and on the City of Guayaquil PETERMANNS MITTEILUNGEN, 1902, 48 (05): : 37 - 37
- [25] Frequency of neoplasms in canines in Quito, Ecuador 1600, Universidad Nacional Mayor de San Marcos (28): : 92 - 100
- [28] GUAYAQUIL, ECUADOR, DECLARED FREE FROM PLAGUE PUBLIC HEALTH REPORTS, 1930, 45 (47) : 2879 - 2880