Comment on

• [Discrepancies in the number of deaths from an acute reaction to psychoactive substances recorded in Spain].

  Brugal MT, Barrio G, Regidor E, Mestres M, Caylà JA, de la Fuente L. Brugal MT, et al. Gac Sanit. 1999 Mar-Apr;13(2):82-7. doi: 10.1016/s0213-9111(99)71331-2. Gac Sanit. 1999. PMID: 10354527 Spanish.
• [The characteristics of opiate users seen in an emergency service].

  Pérez González K, Domingo-Salvany A, Hartnoll R. Pérez González K, et al. Gac Sanit. 1999 Mar-Apr;13(2):88-95. doi: 10.1016/s0213-9111(99)71332-4. Gac Sanit. 1999. PMID: 10354528 Spanish.
• [The consistent use of condoms among intravenous drug users and their regular partners].

  Romero M, Zunzunegui MV, Perea E, Gornemann I, Fernández A. Romero M, et al. Gac Sanit. 1999 Mar-Apr;13(2):96-101. doi: 10.1016/s0213-9111(99)71333-6. Gac Sanit. 1999. PMID: 10354529 Spanish.
• [The sociodemographic determinants of the tobacco habit and its cessation in the population of Cornellà de Llobregat].

  Espinàs JA, Moreno V, Borràs JM, Pujol C, Martí M. Espinàs JA, et al. Gac Sanit. 1999 Mar-Apr;13(2):126-34. doi: 10.1016/s0213-9111(99)71337-3. Gac Sanit. 1999. PMID: 10354532 Spanish.
• [The persistence of risky conduct for HIV transmission among intravenous drug users in Madrid, Seville, and Valencia. The Working Group of the Médicos del Mundo for the Monitoring of HIV Infection and the Risk Practices of Intravenous Drug Users].

  Bravo MJ, Barrio G, de la Fuente L, Colomo C, Royuela L. Bravo MJ, et al. Gac Sanit. 1999 Mar-Apr;13(2):109-18. doi: 10.1016/s0213-9111(99)71335-x. Gac Sanit. 1999. PMID: 10356129 Spanish.