TY - GEN AU - Carle,R TI - [Isotope-mass spectrometry. Basis and possible use] SN - 0048-3664 PY - 1991///0718 KW - Animals KW - Gas Chromatography-Mass Spectrometry KW - Humans KW - Mass Spectrometry KW - instrumentation N1 - Publication Type: Journal Article; Review UR - https://doi.org/10.1002/pauz.19910200208 ER -