A pragmatic multi-centred randomised controlled trial of yoga for chronic low back pain: trial protocol.
Cox
Helen
H
York Trials Unit, Department of Health Sciences, The University of York, Heslington, York YO10 5DD, United Kingdom.
Tilbrook
Helen
H
Aplin
John
J
Chuang
Ling-Hsiang
LH
Hewitt
Catherine
C
Jayakody
Shalmini
S
Semlyen
Anna
A
Soares
Marta O
MO
Torgerson
David
D
Trewhela
Alison
A
Watt
Ian
I
Worthy
Gill
G