RT Journal Article SR Electronic T1 Green tea reverses endothelial dysfunction in healthy smokers JF Heart JO Heart FD BMJ Publishing Group Ltd and British Cardiovascular Society SP 1485 OP 1486 DO 10.1136/hrt.2003.026740 VO 90 IS 12 A1 N Nagaya A1 H Yamamoto A1 M Uematsu A1 T Itoh A1 K Nakagawa A1 T Miyazawa A1 K Kangawa A1 K Miyatake YR 2004 UL http://heart.bmj.com/content/90/12/1485.abstract AB