DeFelice Karen L 1961 Enzymes for digestive health and nutritional wealth : the practical guide for digestive enzymes / Enzymes for autism and other neurological conditions . Karen DeFelice. - Johnston, IA : ThunderSnow Interactive, 2003. - 383 p. : ill. ; 23 cm. ISBN: 0972591869 Subjects--Topical Terms: Enzymes--Therapeutic use LC Class. No.: QU135