TY - RPRT TI - Surface modification for controlled studies of cell-ligand interactions. AU - J A Neff AU - P A Tresco AU - K D Caldwell PY - 1999 DO - 10.1016/s0142-9612(99)00166-0 UR - https://pubmed.ncbi.nlm.nih.gov/10614943/ ID - 10614943 ER -