title: Dead space: a risk factor we did not see.
authors.affiliation: Exchange Supplies, 1 Great Western Industrial Centre, Dorchester, Dorset DT1 1RD, UK. andrew@exchangesupplies.org
authors.forename: Andrew
authors.initials: A
authors.lastname: Preston
mesh_terms: D000818:Animals; D055030:Drug Users; D058872:Epidemics / Q000517:prevention & control*; D015658:HIV Infections / Q000517:prevention & control*; D006801:Humans; D018671:Needle-Exchange Programs; D015819:Substance Abuse, Intravenous / Q000453:epidemiology*; D013594:Syringes