TY - RPRT TI - How to switch posts without rethreading when tying half-hitches. AU - K C Chan AU - S S Burkhart PY - 1999 DO - 10.1016/s0749-8063(99)70064-2 UR - https://pubmed.ncbi.nlm.nih.gov/10355722/ ID - 10355722 ER -