Determination of Ephedra Alkaloids in Urine and Plasma by HPLC-UV: Collaborative Study

Por Roman, Mark C., Gray, D., Laurensen, J., Luo, G., McClanahan, R., Perez, R., Roper, C., Roscoe, V., Shevchuk, C., Suen, E., Sullivan, D.
Publicado em 2004

Determination of Ephedrine Alkaloids in Botanicals and Dietary Supplements by HPLC-UV: Collaborative Study

Por Roman, Mark C., Gray, D., Luo, G., McClanahan, R., Perez, R., Roper, C., Roscoe, V., Shevchuk, C., Suen, E., Sullivan, D., Walther, H.J.
Publicado em 2004

Determination of Ephedrine Alkaloids in Dietary Supplements and Botanicals by Liquid Chromatography/Tandem Mass Spectrometry: Collaborative Study

Por Trujillo, William A., Sorenson, Wendy R., Laurensen, J., Luo, G., McClanahan, R., Perez, R., Roper, C., Kotello, S., Schwind, B., Shevchuk, C., Suen, E., Sullivan, D.
Publicado em 2003