TY - GEN AU - Pac Sa,M R AU - Pena,A A TI - [Water-borne disease outbreaks and investigation of epidemics] SN - 0213-005X PY - 1997///0730 KW - Disease Outbreaks KW - Dysentery, Bacillary KW - epidemiology KW - Epidemiologic Methods KW - Humans KW - Shigella boydii KW - Spain KW - Water Microbiology KW - Water Pollution KW - adverse effects KW - Water Supply N1 - Publication Type: Letter; Comment ER -