the effectiveness of cephalexin , an oral cephalosporin using a dosage equivalent to available capsular dosage forms , was studied in relation to the effectiveness of phenoxymethyl penicillin and benzathine penicillin in the treatment of 128 patients with beta-hemolytic streptococcal pharyngitis , all but six of whom had group a streptococci isolated from throat cultures .
C0007716
cephalexin
C0031350
pharyngitis