TY - RPRT TI - [A study on periodontal dressing materials. Part 5. The working times, setting times, hardness and liquid quantity of periodontal dressing materials (author's transl)]. AU - K Yokoyama AU - M Itoh AU - S Yatani AU - N Honjö AU - C Kimura PY - 1977 UR - https://pubmed.ncbi.nlm.nih.gov/288808/ ID - 288808 ER -