High-definition MEG source estimation using the reciprocal boundary element fast multipole method. - Guillermo Nuñez Ponasso; Derek A. Drumm; Abbie Wang; Gregory M. Noetscher; Matti S. Hämäläinen; Thomas R. Knösche; Burkhard Maess; Jens Haueisen; Sergey N. Makaroff; Tommi Raij (NeuroImage, 2025)