title: What level of evidence: the elusive balance in drug development.
authors.affiliation: Northwestern University, Feinberg School of Medicine, USA.
authors.forename: Al B
authors.initials: AB
authors.lastname: Benson
mesh_terms: D000970:Antineoplastic Agents / Q000592:standards*; D017277:Drug Approval / Q000331:legislation & jurisprudence* / Q000458:organization & administration; D005060:Europe; D006801:Humans; D014481:United States
chemical_list: D000970:Antineoplastic Agents