OWN - Quintessenz Verlags-GmbH CI - Copyright Quintessenz Verlags-GmbH OCI - Copyright Quintessenz Verlags-GmbH TA - Int J Periodontics Restorative Dent JT - International Journal of Periodontics & Restorative Dentistry IS - 1945-3388 (Electronic) IS - 0198-7569 (Print) IP - 2 VI - 17 PST - ppublish DP - 1997 PG - 109-109 LA - en TI - Editorial: Annual Award for Clinical Research in Periodontalogy AB - AID - 852665