Consequence of boar edible tissue consumption on urinary profiles of nandrolone metabolites. II. Identification and quantification of 19-norsteroids responsible for 19-norandrosterone and 19-noretiocholanolone excretion in human urine. - De Wasch,K.; Le Bizec,B.; De Brabander,H.; Andre,F.; Impens,S. (Rapid Commun Mass Spectrom, 2001)