A comparison of the erythromycin estolate and tetracycline in the treatment of respiratory tract infections.
D000368:Aged; D001219:Aspartate Aminotransferases / Q000097:blood; D001991:Bronchitis / Q000188:drug therapy*; D002908:Chronic Disease; D004917:Erythromycin / Q000627:therapeutic use*; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D013183:Sputum / Q000382:microbiology; D013752:Tetracycline / Q000627:therapeutic use*
D004917:Erythromycin; D001219:Aspartate Aminotransferases; D013752:Tetracycline