TY - GEN AU - Lang,James A AU - Holowatz,Lacy A AU - Kenney,W Larry TI - Local tetrahydrobiopterin administration augments cutaneous vasoconstriction in aged humans SN - 1469-7793 PY - 2009///1117 KW - Adrenergic alpha-Antagonists KW - pharmacology KW - Adrenergic beta-Antagonists KW - Adult KW - Aged KW - Aging KW - physiology KW - Biopterins KW - analogs & derivatives KW - Body Temperature KW - Cold Temperature KW - Female KW - Humans KW - Male KW - Nitric Oxide Synthase KW - metabolism KW - Propranolol KW - Regional Blood Flow KW - drug effects KW - Skin KW - blood supply KW - Sympathomimetics KW - Tyramine KW - Vasoconstriction KW - Yohimbine N1 - Publication Type: Comparative Study; Journal Article; Research Support, N.I.H., Extramural UR - https://doi.org/10.1113/jphysiol.2009.173815 ER -