Using trade names: sometimes it helps.
Anton
Christopher
C
Cox
Anthony Richard
AR
Ferner
Robin Esmond
RE
D000368:Aged; D000369:Aged, 80 and over; D004110:Diltiazem / Q000008:administration & dosage / Q000009:adverse effects*; D004305:Dose-Response Relationship, Drug; D004349:Drug Packaging / Q000592:standards; D011307:Drug Prescriptions / Q000145:classification*; D016568:Drugs, Generic / Q000145:classification*; D006801:Humans; D008297:Male; D008508:Medication Errors / Q000517:prevention & control; D018570:Risk Assessment; D009626:Terminology as Topic; D006113:United Kingdom
D016568:Drugs, Generic; D004110:Diltiazem