van Dijk, Wouter D.Schermer, Tjard R.J.van Weel, Chris2015-12-130903-1936http://hdl.handle.net/1885/74807Keywords: body mass; chronic obstructive lung disease; chronic obstructive lung disease classification and analysis tree; clinical assessment tool; dyspnea; exercise; health care planning; health care utilization; human; letter; obstruction; patient care; predictivPrognostic indices for COPD patient management: How many do we need?201210.1183/09031936.000880112016-02-24