TY - GEN AU - de Mateo,S AU - Regidor,E TI - [Surveillance without surnames: dream or reality] SN - 0213-9111 PY - 1996///0321 KW - Population Surveillance KW - Public Health N1 - Publication Type: Letter UR - https://doi.org/10.1016/s0213-9111(95)71248-1 ER -