Pollack, Robert L. The pain-free tryptophan diet Robert L. Pollack, with Gerry Hunt & Marcia Rosen ; foreword by Alan P. Berg. - New York, NY Warner Books c1986. - v, 246 p. Includes index. Bibliography: p. 233-235. ISBN: LCCN: 85043176 Subjects--Topical Terms: Pain--Diet therapy--Popular works.Tryptophan--therapeutic use--popular works.Pain--Diet therapy--Popular works.Diet--popular works.Reducing dietsHigh-tryptophan diet.