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. Author manuscript; available in PMC: 2007 Sep 30.
Published in final edited form as: J Appl Physiol (1985). 2006 Jun 29;101(5):1343–1350. doi: 10.1152/japplphysiol.00487.2006

Fig. 1. Schematic diagram of the experimental protocol.

Fig. 1

Subjects completed a baseline trial under normoxic and hypoxic conditions (randomized), followed by 10 and 20% forearm exercise (randomized) under normoxic and hypoxic conditions (randomized). Adenosine (Ado) doses (randomized) were always administered last. Tyramine was infused for the final 3 min of each stage.