30
Participants
Start Date
August 31, 2007
Primary Completion Date
December 31, 2008
Study Completion Date
December 31, 2008
Acu-TENS (Transcutaneous electrical nerve stimulation)
Transcutaneous electrical nerve stimulation applied onto acupuncture point
Acu-TENS (Transcutaneous electrical nerve stimulation)
Similar to Group 1 but without electrical stimulation
Acu-TENS (Transcutaneous electrical nerve stimulation)
Similar to Group 1 but applied onto non acupuncture point
Prince of Wales Hospital, Shatin, Hong Kong
The Hong Kong Polytechnic University
OTHER