TY - RPRT TI - [Experimental study on the decrease of retentive force of several attachments (author's transl)]. AU - T Nagasawa AU - M Kubo AU - N Maeno AU - T Yamashina AU - H Tsuru PY - 1978 UR - https://pubmed.ncbi.nlm.nih.gov/396326/ ID - 396326 ER -