TY - RPRT TI - Colorimetric assay for cellular activity in microcapsules. AU - H Uludag AU - M V Sefton PY - 1990 DO - 10.1016/0142-9612(90)90032-l UR - https://pubmed.ncbi.nlm.nih.gov/2090308/ ID - 2090308 ER -