RT Journal Article SR Electronic T1 Knee Ligament Tests JF Physical Therapy JO Phys Ther FD American Physical Therapy Association SP 1578 OP 1581 VO 60 IS 12 A1 Noyes, Frank R A1 Grood, Edward S A1 Butler, David L A1 Raterman, Linda YR 1980 UL http://jcore-reference.highwire.org/content/60/12/1578.abstract AB