Ocular toxicity from ethambutol: a review of four cases and recommended precautions.
P. Sivakumaran, A. Harrison, J. Marschner, P. Martin, N Z Med J 111 (1998) 428–430.

Ocular toxicity from ethambutol: a review of four cases and recommended precautions.
P. Sivakumaran, A. Harrison, J. Marschner, P. Martin, N Z Med J 111 (1998) 428–430.