TY - RPRT TI - A computerized method for quantitative estimation of the epithelium-connective tissue interface applied to the gingiva of various age groups. AU - T Karring AU - H Löe PY - 1973 DO - 10.3109/00016357309002510 UR - https://pubmed.ncbi.nlm.nih.gov/4519509/ ID - 4519509 ER -