Title:Development and validation of an analytical method for the simultaneous determination of benzoylecgonine and ecgonine methyl ester in human urine by gas chromatography/mass spectrometry
Title:Inhibición del crecimiento de las células y de los niveles de poliamina en linfocitos causada por la combinación del metotrexato y de la cloroquina / Inhibition of cell growth and polyamine levels in lymphocytes caused by the combination of methotrexate and chloroquine