Ash, Major M.

Periodontology and periodontics :modern theory and practice / by: Ash, Major M.; Ramfjord, Sigurd P. (Language materials, printed)

Oral diagnosis / by: Ash, Major M.; Kerr, Donald A.; Millard, H. Dean (Language materials, printed)

Occlusion / by: Ramfjord, Sigurd; Ash, Major M. (Language materials, printed)