ISBN 0683307711 books & textbook
Travell & Simons' Myofascial Pain and Dysfunction: The Trigger Point Manual (2-Volume Set)
Simons, David G. Travell, Janet G. Simons, Lois S. Cummings, Barbara D.
Williams & Wilkins /1999T Hardcover
isbn-10: 0683307711 / isbn-13: 9780683307719