00750nam a2200217Ia 4500 MX-MdCICY 20260521091301.0 CICY B-11965 Determination of pyrrolizidine alkaloids in comfrey by liquid chromatography-electrospray ionization mass spectrometry Talanta, 80(2), p.916-923, 2009 Liu, F. Wan, S.Y. Jiang, Z. Yau Li, S.F. Ong, E.S. Castaño Osorio, J.C. https://drive.google.com/file/d/1ZWUMrhSoZ6gIKDptPi1F2GsIYMmrf1k7/view?usp=drivesdk Para ver el documento ingresa a Google con tu cuenta: @cicy.edu.mx Loc REF1 250602s9999 xx |||||s2 |||| ||und|d 22117 22117 0 0 Loc 0 0 F1 CICY CICY RE 2025-06-25 0 B-11965 2025-06-25 14:07:00 2025-06-25 REF1