[THE CONCLUDING STAGE OF TRACHOMA CONTROL IN THE USSR].
D003140:Communicable Disease Control; D004813:Epidemiology; D014141:Trachoma; D014586:USSR
COMMUNICABLE DISEASE CONTROL; EPIDEMIOLOGY; TRACHOMA; USSR
ZAVERSHAIUSHCHI I 'ETAP BOR'BY S TRAKHOMO I V SSSR.