TY - RPRT TI - Microbial patterns in pooled subgingival plaque samples from young adults with advanced marginal periodontitis. AU - N E Fiehn AU - J Westergaard PY - 1990 DO - 10.1111/j.1600-0722.1990.tb00992.x UR - https://pubmed.ncbi.nlm.nih.gov/2293348/ ID - 2293348 ER -