title: European drug agency is exempting too many firms from testing drugs in children, cancer experts say.
authors: London.
authors: Nigel
authors: N
authors: Hawkes
mesh_terms: D002648:Child; D017277:Drug Approval / Q000331:legislation & jurisprudence*; D005060:Europe; D006801:Humans; D009369:Neoplasms / Q000188:drug therapy*; D009965:Orphan Drug Production / Q000331:legislation & jurisprudence*