Br J Sports Med. 2002 Oct; 36(5): 325-9.

Urine nandrolone metabolites: false positive doping test?

Kohler RM, Lambert MI.

MRC/UCT Research Unit for Exercise Science and Sports Medicine, Department of Human Biology, University of Cape Town, Sports Science Institute of South Africa, Newlands, South Africa.

The aim of this review is to analyse the studies on nandrolone metabolism to determine if it is possible for an athlete to test positive for nandrolone without having ingested or injected nandrolone.