1. A controlled field trial on the effectiveness of cholera and cholera el Tor vaccines in the Phillipines;Azurin,1965
2. Cholera incidence in a population offered cholera vaccination: comparison of cooperative and uncooperative groups;Azurin;Bulletin of the World Health Organization,1971
3. A controlled field trial of the effectiveness of cholera and cholera el Tor vaccines in the Phillipines;Azurin;Bulletin of the World Health Organization,1967
4. A controlled field trial of the effectiveness of cholera and cholera el Tor vaccines in the Phillipines. Preliminary report; Phillipines Cholera Committee;[No authors;Bulletin of the World Health Organization,1965
5. See Azurin 1965i