Amanda G Thrift, John J McNeil, Andrew Forbes, Geoffrey A Donnan
Thrift A G, McNeil J J, Forbes A, Donnan G A.
Risk of primary intracerebral haemorrhage associated with aspirin and non-steroidal anti-inflammatory drugs: case-control study
BMJ 1999; 318 :759
doi:10.1136/bmj.318.7186.759