He has authored or co-authored many books, in recent years with Ian Stewart and Terry Pratchett.
Zanaflex
Toradol
Imitrex
Periactin
Prednisone
Robaxin
Trental
Cafergot
Diclofenac
Topamax
Tegretol
Azulfidine
Baclofen
Celebrex
Colchicine
Indocin
Maxalt
Arcoxia
Artane
Feldene
Lioresal
Mobic
Skelaxin
Tizanidine