McGregor, AD (1987). "The Allen test – an investigation of its accuracy by fluorescein angiography". J Hand Surg Br Vol. 12 (1): 82–85. doi:10.1016/0266-7681(87)90065-9. PMID3572188.
Stead, SW; Stirt, JA (1985). "Assessment of digital blood flow and palmar collateral circulation". Journal of Clinical Monitoring and Computing. 2 (1): 29–34. doi:10.1007/bf02915870. PMID3835222. S2CID39584943.
McGregor, AD (1987). "The Allen test – an investigation of its accuracy by fluorescein angiography". J Hand Surg Br Vol. 12 (1): 82–85. doi:10.1016/0266-7681(87)90065-9. PMID3572188.
Stead, SW; Stirt, JA (1985). "Assessment of digital blood flow and palmar collateral circulation". Journal of Clinical Monitoring and Computing. 2 (1): 29–34. doi:10.1007/bf02915870. PMID3835222. S2CID39584943.
Stead, SW; Stirt, JA (1985). "Assessment of digital blood flow and palmar collateral circulation". Journal of Clinical Monitoring and Computing. 2 (1): 29–34. doi:10.1007/bf02915870. PMID3835222. S2CID39584943.