TY - RPRT TI - Microbial changes associated with advancing periodontitis in STR/N mice. AU - L F Wolff AU - M J Krupp AU - W F Liljemark PY - 1985 DO - 10.1111/j.1600-0765.1985.tb00449.x UR - https://pubmed.ncbi.nlm.nih.gov/2933502/ ID - 2933502 ER -