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- [21] HEALTH AND HEALTH-SERVICES IN COLOMBIA [J]. JOURNAL OF TROPICAL MEDICINE AND HYGIENE, 1974, 77 (12): : 278 - 279
- [22] SDD IN HEALTH-SERVICES [J]. NAUCHNO-TEKHNICHESKAYA INFORMATSIYA SERIYA 1-ORGANIZATSIYA I METODIKA INFORMATSIONNOI RABOTY, 1976, (02): : 16 - 16