Caldwell, J Determination of bupivacaine in human fetal and neonatal blood samples by quantitative single ion monitoring. [electronic resource] - Biomedical mass spectrometry Oct 1977 - 322-5 p. digital Publication Type: Journal Article ISSN: 0306-042X Standard No.: 10.1002/bms.1200040509 doi Subjects--Topical Terms: Bupivacaine--bloodChromatography, Gas--methodsFemaleFetal Blood--analysisGas Chromatography-Mass Spectrometry--methodsHumansInfant, NewbornLabor, ObstetricMaternal-Fetal ExchangePregnancy