Year, Count, Co-author(s) 2009,3,"Ludewig, P. M.; Braman, Jonathan P., MD; Engel, S. C." 2010,7,"Phadke, V.; Ludewig, P. M.; Braman, Jonathan P., MD; Thomas, B. M.; Lunden, J. B.; Hassett, D. R.; Camargo, P. R." 2014,4,"Staker, J. L.; Ludewig, P. M.; Braman, Jonathan P., MD; Lawrence, R. L."