A system to classify the need for periodontal treatment
Johansen, J. R., Gjermo, P., Bellini, H. T.Volume:
31
Language:
english
Journal:
Acta Odontologica Scandinavica
DOI:
10.3109/00016357309002517
Date:
January, 1973
File:
PDF, 606 KB
english, 1973