title: How toxic is toxic?
authors.affiliation: pchapman@attglobal.net
authors.forename: P M
authors.initials: PM
authors.lastname: Chapman
mesh_terms: D000818:Animals; D064420:Drug-Related Side Effects and Adverse Reactions; D006801:Humans; D012015:Reference Standards; D009626:Terminology as Topic; D014876:Water Pollution / Q000009:adverse effects