Börjesson A, Lehtihet M, Andersson A, Dahl ML, Vicente V, Ericsson M, Ekström L.
Studies of Athlete Biological Passport biomarkers and clinical parameters in male and female users of anabolic androgenic steroids and other doping agents.
Drug Test Anal. 2020 Jan 10. doi: 10.1002/dta.2763

Choong E, Schulze JJ, Ericsson M, Rane A, Ekström L.
Discordant genotyping results using DNA isolated from anti-doping control urine samples.
Drug Test Anal. 2017 Jul;9(7):994-1000. doi: 10.1002/dta.2103.

Ekström L, Knutsson JE, Mullen J, Ericsson M, Hirschberg AL.
Impact of hormonal contraceptives on urinary steroid profile in relation to serum hormone changes and CYP17A1 polymorphism.
Drug Test Anal. 2019 Sep;11(9):1284-1289. doi: 10.1002/dta.2663

Ekström L, Cevenini L, Michelini E, Schulze J, Thörngren JO, Belanger A, Guillemette C, Garle M, Roda A, Rane A.
Testosterone challenge and androgen receptor activity in relation to UGT2B17 genotypes.
Eur J Clin Invest. 2013 Mar;43(3):248-55. doi: 10.1111/eci.12037.

Jakobsson J, Ekström L, Inotsume N, Garle M, Lorentzon M, Ohlsson C, Roh HK, Carlström K, Rane A.
Large differencies in testosterone excretion in Korean and Swedish men are strongly associated with a UDP-glucuronosyl transferase 2B17 polymorphish
J Clin Endocrinol Metab. 2006 feb; 91(2):687-93

Lehtihet M, Andersson A, Börjesson A, Schulze J, Rane A, Ericsson M, Ekström L.
Codeine influences the serum and urinary profile of endogenous androgens but does not interact with the excretion rate of administered testosterone.
Drug Test Anal. 2018 Apr;10(4):723-730. doi: 10.1002/dta.2301.

Lundmark J, Gårevik N, Thörngren JO, Garle M, Ekström L, Rane A, Schulze JJ.
Non-steroidal anti-inflammatory drugs do not influence the urinary testosterone/epitestosterone glucuronide ratio.
Front Endocrinol (Lausanne). 2013 May 16;4:51. doi: 10.3389/fendo.2013.00051

Mullen JE, Thörngren JO, Schulze JJ, Ericsson M, Gårevik N, Lehtihet M, Ekström L.
Urinary steroid profile in females - the impact of menstrual cycle and emergency contraceptives.
Drug Test Anal. 2017 Jul;9(7):1034-1042. doi: 10.1002/dta.

Mullen J, Börjesson A, Hopcraft O, Schulze JJ, Ericsson M, Rane A, Lehtihet M, Ekström L.
Sensitivity of doping biomarkers after administration of a single dose testosterone gel.
Drug Test Anal. 2018 May;10(5):839-848. doi: 10.1002/dta.2341.

Mullen J, Gadot Y, Eklund E, Andersson A, J Schulze J, Ericsson M, Lindén Hirschberg A, Rane A, Ekström L.
Pregnancy greatly affects the steroidal module of the Athlete Biological Passport.
Drug Test Anal. 2018 Jan 18. doi: 10.1002/dta.2361

Rane A, Ekström, L
Androgens and doping tests: genetic variation and pit-falls
Br J Clin Pharmacol. 2012 Jul;74(1):3-15

Schulze J, Mullen J, Berglund Lindgren E, Ericsson M, Ekström L, Hirschberg AL
The impact of genetics and hormonal contraceptives on the steroid profile in female athletes
Front Endocrinol (Lausanne). 2014 Apr 10;5:50

Schulze J, Johansson M, Thörngren JO, Garle M, Rane A, Ekström L.
SULT2A1 Gene Copy Number Variation is Associated with Urinary Excretion Rate of Steroid Sulfates.
Front Endocrinol (Lausanne). 2013 Jul 12;4:88. doi: 10.3389/fendo.2013.00088.

Schulze JJ, Rane A, Ekström L.
Genetic variation in androgen disposition: implications in clinical medicine including testosterone abuse.
Expert Opin Drug Metab Toxicol. 2009 Jul;5(7):731-44. doi: 10.1517/17425250902976862

Schulze JJ, Lundmark J, Garle M, Skilving I, Ekström L, Rane A.
Doping test results dependent on genotype of uridine diphospho-glucuronosyl transferase 2B17, the major enzyme for testosterone glucuronidation.
J Clin Endocrinol Metab. 2008 Jul;93(7):2500-6. doi: 10.1210/jc.2008-0218

Schulze JJ, Lorentzon M, Ohlsson C, Lundmark J, Roh HK, Rane A, Ekström L.
Genetic aspects of epitestosterone formation and androgen disposition: influence of polymorphisms in CYP17 and UGT2B enzymes.
Pharmacogenet Genomics. 2008 Jun;18(6):477-85. doi: 10.1097/FPC.0b013e3282fad38a.

Strahm E, Mullen JE, Gårevik N, Ericsson M, Schulze JJ, Rane A, Ekström L.
Dose-dependent testosterone sensitivity of the steroidal passport and GC-C-IRMS analysis in relation to the UGT2B17 deletion polymorphism.
Drug Test Anal. 2015 Nov-Dec;7(11-12):1063-70. doi: 10.1002/dta