TY - BOOK AU - Knutson,Roger M. TI - Furtive fauna: a field guide to the creatures who live on you SN - 0140153780 : AV - QR251QR251QR251QR251 .K56 1992.K56.K56.K56 U1 - 616.9/6 20 PY - 1992/// CY - New York, N.Y., U.S.A. PB - Penguin Books KW - Body, Human KW - Microbiology KW - Popular works KW - Medical parasitology KW - Symbiosis N1 - "A Penguin original"--Cover; Includes bibliographical references (p. [117]-118) ER -