title: Sample sizes for needles in a haystack: the case of HIV seroprevalence surveys.
authors.affiliation: Department of Preventive Medicine and Biostatistics, Faculty of Medicine, University of Toronto, Ontario, Canada.
authors.forename: J W
authors.initials: JW
authors.lastname: Frank
authors.forename: R A
authors.initials: RA
authors.lastname: Coates
authors.forename: R
authors.initials: R
authors.lastname: Brant
authors.forename: J M
authors.initials: JM
authors.lastname: Garbutt
mesh_terms: D015528:HIV Seroprevalence; D006801:Humans; D007231:Infant, Newborn; D008432:Mathematical Computing; D012494:Sampling Studies; D016036:Seroepidemiologic Studies