Role of smoking and caffeine in chronic back pain
By: Muhammmad, Manal Usama; Arafah, Muna Mahmud; al-Zifzafy, Mirfat Abd al-Hakim…[et al.]. Egyptian Rheumatology and Rehabilitation. Vol. 27, no. 3 (Jul. 2000), pp.485-490, 6 p.
Subjects: Back; Coffee; Pain; Smoking; Tea