TY - RPRT TI - Variable low-mass filtering using an electrodynamic ion funnel. AU - Jason S Page AU - Aleksey V Tolmachev AU - Keqi Tang AU - Richard D Smith PY - 2005 DO - 10.1002/jms.900 UR - https://pubmed.ncbi.nlm.nih.gov/16127660/ ID - 16127660 ER -