Galmés Truyols, AntòniaMartinez-Navarro, Fernando2020-02-102020-02-101997-06Euro Surveill. 1997 Jun;2(6):43-47.1560-7917http://hdl.handle.net/20.500.12105/9067engVoRhttp://creativecommons.org/licenses/by/4.0/Atribución 4.0 Internacional126318102643-4710.2807/esm.02.06.00155-en1560-7917Euro surveillance : bulletin Europeen sur les maladies transmissibles = European communicable disease bulletinopen access