title: Salicylazosulfapyridine (4-pyridyl-(2)-aminosulphonyl-3-carboxy-4-hydroxyazobenzol) in the treatment of rheumatoid arthritis.
authors.affiliation: Department of Pharmacy, Gomal University, Dera Ismail Khan NWFP, Pakistan.
authors.forename: M F
authors.initials: MF
authors.lastname: Khan
authors.forename: M I
authors.initials: MI
authors.lastname: Khattak