(2002) Understanding periodontal diseases, London: Quintessence Publishing Co 160 p. 1-85097-053-X.
(2002). Understanding periodontal diseases. Assessment and diagnostic procedures in practice. London: Quintessence Publishing Co, 160 p.
Understanding periodontal diseases: Assessment and diagnostic procedures in practice. London: Quintessence Publishing Co; 2002. p. 160 p. ISBN: 1-85097-053-X.