TY - BOOK AU - Valkenburg, Els TI - Understanding multiple chemical sensitivity : causes, effects, personal experiences and resources SN - 9780786444434 SN - 200904101 U1 - 615.902 VAL PY - 2010/// CY - Jefferson, NC PB - McFarland & Company KW - Multiple chemical sensitivity - Popular works N1 - Includes bibliographical references (p. 205-208) and index ER -