M Erkens

Determination of morphine and its 3- and 6-glucuronides, codeine, codeine-glucuronide and 6-monoacetylmorphine in body fluids by liquid chromatography atmospheric pressure chemical ionization mass spectrometry

M Bogusz, R. D. Maier, M Erkens · Journal of Chromatography B Biomedical Sciences and Applications · 1997 · 120 citations

Pharmacy, Pharmaceutical Analysis, Pharmacology +12

Evolving Concepts in Breast Reconstruction With Latissimus Dorsi Flaps: Results and Follow-up of 121 Consecutive Patients

H. Menke, M Erkens, R. R. Olbrisch · Annals of Plastic Surgery · 2001 · 107 citations

Medicine, Plastic Surgery, Surgery +17

Reversed-phase high-performance liquid chromatographic database of retention indices and UV spectra of toxicologically relevant substances and its interlaboratory use

M Bogusz, M Erkens · Journal of Chromatography A · 1994 · 77 citations

Pharmacy, Pharmaceutical Analysis, Toxicology +17

Detection of Non-Prescription Heroin Markers in Urine with Liquid Chromatography--Atmospheric Pressure Chemical Ionization Mass Spectrometry

M Bogusz, R. D. Maier, M Erkens et al. · Journal of Analytical Toxicology · 2001 · 55 citations

Pharmacy, Pharmacology, Toxicology +16

Internally Concealed Cocaine: Analytical and Diagnostic Aspects

MJ Bogusz, H Althoff, M Erkens et al. · Journal of Forensic Sciences · 1995 · 52 citations

Pharmacy, Criminology, Toxicology +15