@misc{indiciae69b8fb401622, title = {Sensitive to the yoctomole limit.}, author = {M Castagnola}, year = {1998}, doi = {10.1016/s0968-0004(98)01251-1}, url = {https://pubmed.ncbi.nlm.nih.gov/9757825/}, note = {Source identifier: 9757825} }