Mary K. Powell

An Improved Analysis for Chlorinated Pesticides and Polychlorinated Biphenyls (PCBs) in Human and Bovine Sera Using Solid-Phase Extraction

John W. Brock, Virlyn W. Burse, David L. Ashley et al. · Journal of Analytical Toxicology · 1996 · 109 citations · Full text

Engineering, Pesticide-residue Analysis, Chemical Contaminant +22

Analysis of Benzoylecgonine in Dried Blood Spots by Liquid Chromatography-Atmospheric Pressure Chemical Ionization Tandem Mass Spectrometry*†

Connie S. Sosnoff, Qinghong Ann, John T. Bernert et al. · Journal of Analytical Toxicology · 1996 · 52 citations · Full text

Whole Blood, Forensic Chemistry, Gas Chromatography +20

An Evaluation of the Use of Dried Blood Spots from Newborn Screening for Monitoring the Prevalence of Cocaine Use among Childbearing Women

L. Omar Henderson, Mary K. Powell, W. Harry Hannon et al. · Biochemical and Molecular Medicine · 1997 · 38 citations

Substance Abuse, Childbearing Women, Dried Blood Spots +8

A Quality Assurance Program for Human Immunodeficiency Virus Seropositivity Screening of Dried-Blood Spot Specimens

W. Harry Hannon, Dan Lewis, Wanda K. Jones et al. · Infection Control · 1989 · 36 citations

Point-of-care Testing, Neonatology, Diagnosis +22

Radioimmunoassay Screening of Dried Blood Spot Materials for Benzoylecgonine*

L. Omar Henderson, Mary K. Powell, W. Harry Hannon et al. · Journal of Analytical Toxicology · 1993 · 36 citations

Residual Blood Spots, Medicine, Drug Purity +15