1. Retrospective analysis of the incidence of epidural haematoma in patients with epidural catheters and abnormal coagulation parameters 
P. Gulur, B. Tsui, R. Pathak, K.M. Koury, H. Lee 
British Journal of Anaesthesia 
Volume 114, Issue 5, Pages (May 2015)
DOI: /bja/aeu461
Copyright © 2015 The Author(s) Terms and Conditions

2. Fig 1
Abnormal coagulation parameters. INR, international normalized ratio; PLT, platelet count×103 ml−1; PTT, partial thromboplastin time (seconds).
British Journal of Anaesthesia  , DOI: ( /bja/aeu461)
Copyright © 2015 The Author(s) Terms and Conditions