Gagnon, Daniel, 1954- Breathe free : : nutritional and herbal care for your respiratory system / [electronic resource] / Daniel Gagnon, Amadea Morningstar.. — Wilmot, Wis. : : Lotus Press,, 1991.. — xii, 180 p. : : ill. ; 22 cm.
Includes bibliographical references (p. 176-179) and index.