H. Ludwig-Köhn

Quantitative gas chromatographic mass spectrometric determination of mandelic acid in blood plasma. Comparison of deuterated and homologous internal standards.

H. Luthe, U. Langenbeck, H. Ludwig-Köhn, 1983, Biomedical mass spectrometry.

Neutral steroid metabolites in patients with uraemia and after renal transplantation: a quantitative and qualitative study in body fluids

F. Scheler, H. Henning, H. Ludwig-Köhn, 1985, European journal of clinical investigation.

Identification of oestrogen metabolites in human urine by capillary gas chromatography and mass spectrometry.

A. Zeeck, H. Henning, G. Remberg, 1989, Biomedical & environmental mass spectrometry.

The identification of urinary bile alcohols by gas chromatography–mass spectrometry in patients with liver disease and in healthy individuals

D. Matthaei, G. Spiteller, J. Reiner, 1983, European journal of clinical investigation.

Occurrence of highly oxygen-substituted androgens in hemofiltrates of uremic patients.

D. Matthaei, G. Spiteller, F. Scheler, 1980, Biomedical mass spectrometry.

Analysis of neutral steroid sulfates by glass capillary gas chromatography-mass spectrometry (GC-MS) from blood of a patient with paraquat poisoning.

D. Matthaei, H. Henning, H. Ludwig-Köhn, 1982, Clinica chimica acta; international journal of clinical chemistry.