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↑Bier, A (1908). «Ueber einen neuen weg localanasthesie in den gliedmaassen zu erzeugen (On a new technique to induce local anesthesia in extremities)». Langenbeck's Archiv für Klinische Chirurgie (em alemão). 86: 1007–16
↑Bier, A (1909). «Ueber venenanasthesie (On venous anesthesia)». Berliner Klinische Wochenschrift (em alemão). 46: 477–89
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