R. E. Struempler

Nitrite adulteration of workplace urine drug-testing specimens. I. Sources and associated concentrations of nitrite in urine and distinction between natural sources and adulteration.

D. Crockett, M. Kushnir, G. Nelson, 1998, Journal of analytical toxicology.

Hair Mineral Analysis and Disruptive Behavior in Clinically Normal Young Men

G. Larson, B. Rimland, R. E. Struempler, 1985, Journal of learning disabilities.

Excretion of codeine and morphine following ingestion of poppy seeds.

R. E. Struempler, 1987, Journal of analytical toxicology.

Excretion of morphine in urine following the ingestion of poppy seeds.

R. E. Struempler, 1988, Military Medicine.

A positive cannabinoids workplace drug test following the ingestion of commercially available hemp seed oil.

G. Nelson, F. M. Urry, R. E. Struempler, 1997, Journal of analytical toxicology.