title: Spring-loaded lancets.
authors: P J
authors: PJ
authors: Drinka
mesh_terms: D000163:Acquired Immunodeficiency Syndrome / Q000635:transmission; D001769:Blood / Q000382:microbiology; D001800:Blood Specimen Collection / Q000295:instrumentation*; D006801:Humans; D007239:Infections / Q000635:transmission*