Half the Secret of Life Is outside the Cell Extracellular Matrix-Cell Interaction: Molecules to Diseases Edited by Yoshifumi Ninomiya, Bjorn R. Olsen, and Toshiro Ooyama Basel, Switzerland: S. KargerAG (1998). 382 pp. $255.75; Matrix Metalloproteinases Edited by William C. Parks, and Robert P. Mecham San Diego, CA: Academic Press (1998). 362 pp. $89.00

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