O. Costa

Inner ear pathology in experimental diabetes.

O. Costa, 1967, The Laryngoscope.

Variations in the enchondral bone of the otic capsule.

W. Covell, O. Costa, Walter P. Covell, 1965, The Laryngoscope.

Arterial perfusion of the inner ear

R. Thalmann, O. Costa, 1967, The Laryngoscope.

Arterial perfusion of the inner ear: I. The Method

R. Thalmann, W. Covell, O. Costa, 1966, The Laryngoscope.