title: Subtitles: a sampling of subtleties, subterfuges, and subtopics.
authors.affiliation: Department of Pharmacology, Pfizer, Inc., Groton, Connecticut 06340.
authors.forename: A
authors.initials: A
authors.lastname: Weissman
mesh_terms: D007802:Language; D010506:Periodicals as Topic; D012660:Semantics