O E Langland

发表

R P Langlais, T J Prihoda, R. Langlais, 1987, Oral surgery, oral medicine, and oral pathology.

W D McDavid, W. McDavid, J. D'Ambrosio, 1986, Oral surgery, oral medicine, and oral pathology.

R P Langlais, R. Langlais, O E Langland, 1995, Oral surgery, oral medicine, oral pathology, oral radiology, and endodontics.