Comment on

• Total cholesterol, HDL-cholesterol, and risk of nosocomial infection: a prospective study in surgical patients.

  Delgado-Rodríguez M, Medina-Cuadros M, Martínez-Gallego G, Sillero-Arenas M. Delgado-Rodríguez M, et al. Infect Control Hosp Epidemiol. 1997 Jan;18(1):9-18. doi: 10.1086/647494. Infect Control Hosp Epidemiol. 1997. PMID: 9013240
• Nosocomial infections in surgical patients: comparison of two measures of intrinsic patient risk.

  Delgado-Rodríguez M, Sillero-Arenas M, Medina-Cuadros M, Martínez-Gallego G. Delgado-Rodríguez M, et al. Infect Control Hosp Epidemiol. 1997 Jan;18(1):19-23. doi: 10.1086/647495. Infect Control Hosp Epidemiol. 1997. PMID: 9013241
• The evolution of the surgical mask: filtering efficiency versus effectiveness.

  Belkin NL. Belkin NL. Infect Control Hosp Epidemiol. 1997 Jan;18(1):49-57. doi: 10.2307/30141964. Infect Control Hosp Epidemiol. 1997. PMID: 9013247