DOTreas:10.1177/0003122416639625
DOTreas:10.1177/0891242411434440
DOTreas:10.1177/0891242413513326
DOTreas:10.1177/0894439306287021
DOTreas:10.1177/001316447503500409
DOTreas:10.1177/0002764202045011005
DOTreas:10.1177/009102600103000401