PEETS EA, SWEENEY WM, PLACE VA, BUYSKE DA: THE ABSORPTION, EXCRETION, AND METABOLIC FATE OF ETHAMBUTOL IN MAN. Am Rev Respir Dis. 1965 Jan;91:51-8. doi: 10.1164/arrd.1965.91.1.51. [Article]
FDA Approved Drug Products: Myambutol (Ethambutol) Oral Tablet [Link]