TY - RPRT TI - Bioassay by cascade superfusion using a highly sensitive laminar flow technique. AU - H Bult AU - M J Parnham AU - I L Bonta PY - 1977 DO - 10.1111/j.2042-7158.1977.tb11338.x UR - https://pubmed.ncbi.nlm.nih.gov/18576/ ID - 18576 ER -