TY - RPRT TI - IMPROVED BACTERIOLOGIC TECHNIQUES FOR MARGINAL PENETRATION STUDIES. AU - P KAPSIMALIS AU - L PARRIS AU - R EVANS AU - H M COBE PY - 1965 DO - 10.1016/0030-4220(65)90222-7 UR - https://pubmed.ncbi.nlm.nih.gov/14233402/ ID - 14233402 ER -