title: Re: "Factors associated with survival in human immunodeficiency virus-infected patients with very low CD4 counts".
authors.forename: P
authors.initials: P
authors.lastname: Vanhems
authors.forename: R
authors.initials: R
authors.lastname: Allard
mesh_terms: D018791:CD4 Lymphocyte Count; D015986:Confounding Factors, Epidemiologic; D015658:HIV Infections / Q000276:immunology / Q000401:mortality*; D006801:Humans; D011379:Prognosis