TY - THES DO - 10.6083/M4C53J0Q DO - DOI T1 - The force decay behavior of polyurethane ligature modules DA - 1987 AU - Nordberg, Rodney C. L1 - https://digitalcollections.ohsu.edu/record/1292/files/1994_etd.pdf PY - 1987 ID - 1292 L4 - https://digitalcollections.ohsu.edu/record/1292/files/1994_etd.pdf KW - Orthodontic Appliances TI - The force decay behavior of polyurethane ligature modules Y1 - 1987 L2 - https://digitalcollections.ohsu.edu/record/1292/files/1994_etd.pdf LK - https://digitalcollections.ohsu.edu/record/1292/files/1994_etd.pdf UR - https://digitalcollections.ohsu.edu/record/1292/files/1994_etd.pdf ER -