Chughtai, T.; Chen, L. Q.; Salasidis, G.; Nguyen, D.; Tchervenkov, C.; Morin, J. F. (November 2000). "Clips versus suture technique: is there a difference?". The Canadian Journal of Cardiology. 16 (11): 1403–1407. ISSN0828-282X. PMID11109037.
Chughtai, T.; Chen, L. Q.; Salasidis, G.; Nguyen, D.; Tchervenkov, C.; Morin, J. F. (November 2000). "Clips versus suture technique: is there a difference?". The Canadian Journal of Cardiology. 16 (11): 1403–1407. ISSN0828-282X. PMID11109037.