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Ahrens, Brian D.
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1

Breaking Boundaries: Exploring Performance Enhancement and ..:

Metushi, Imir G ; Wagner, Allison ; Ahrens, Brian...
Clinical Chemistry.  70 (2024)  7 - p. 897-904 , 2024
Link: https://doi.org/10.1093/..
 
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2

A Suspected Case of Carbon Monoxide Poisoning Consistent wi..:

Brian Lam, K H ; Sobolevsky, Tim ; Ahrens, Brian..
The Journal of Applied Laboratory Medicine.  8 (2023)  2 - p. 413-417 , 2023
Link: https://doi.org/10.1093/..
 
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3

Detection of capromorelin in urine following oral and derma..:

Sobolevsky, Tim ; Walpurgis, Katja ; Goergens, Christian...
Drug Testing and Analysis.  15 (2023)  11-12 - p. 1449-1453 , 2023
Link: https://doi.org/10.1002/..
 
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4

Detection of selective androgen receptor modulator YK‐11 in..:

Sobolevsky, Tim ; Kucherova, Yulia ; Ahrens, Brian
Drug Testing and Analysis.  16 (2023)  6 - p. 655-660 , 2023
Link: https://doi.org/10.1002/..
 
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5

δ13C values of urinary 19‐norandrosterone in antidoping sam..:

Nair, Vinod S. ; Howa, John D. ; Morrison, Matthew S....
Drug Testing and Analysis.  15 (2023)  11-12 - p. 1356-1360 , 2023
Link: https://doi.org/10.1002/..
 
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6

AICAr to SAICAr ratio can serve as additional marker of AIC..:

Sobolevsky, Tim ; Piper, Thomas ; Ahrens, Brian.
Drug Testing and Analysis.  14 (2022)  11-12 - p. 2017-2025 , 2022
Link: https://doi.org/10.1002/..
 
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7

Measurement of urinary cobalt as its complex with 2‐(5‐chlo..:

Sobolevsky, Tim ; Ahrens, Brian
Drug Testing and Analysis.  13 (2021)  6 - p. 1145-1157 , 2021
Link: https://doi.org/10.1002/..
 
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8

Chromatographic‐mass spectrometric analysis of the urinary ..:

Rubio, Ana ; Görgens, Christian ; Krug, Oliver...
Rapid Communications in Mass Spectrometry.  35 (2021)  21 - p. , 2021
Link: https://doi.org/10.1002/..
 
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9

Biotin as a masking agent in chorionic gonadotropin assays ..:

Sobolevsky, Tim ; Ahrens, Brian
Drug Testing and Analysis.  13 (2021)  11-12 - p. 1929-1935 , 2021
Link: https://doi.org/10.1002/..
 
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10

High‐throughput liquid chromatography tandem mass spectrome..:

Sobolevsky, Tim ; Ahrens, Brian
Drug Testing and Analysis.  13 (2020)  2 - p. 283-298 , 2020
Link: https://doi.org/10.1002/..
 
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11

Inter-Laboratory Agreement of Insulin-like Growth Factor 1 ..:

Hoofnagle, Andrew N ; Cowan, David A ; Bowers, Larry D...
Clinical Chemistry.  66 (2020)  4 - p. 579-586 , 2020
Link: https://doi.org/10.1093/..
 
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12

Performance Enhancing Drugs in Sports:

, In: Critical Issues in Alcohol and Drugs of Abuse Testing,
Ahrens, Brian D. ; Butch, Anthony W. - p. 495-510 , 2019
Link: https://doi.org/10.1016/..
 
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13

Urinary concentrations of AICAR and mannitol in athlete pop..:

Sobolevsky, Tim ; Ahrens, Brian
Drug Testing and Analysis.  11 (2019)  3 - p. 530-535 , 2019
Link: https://doi.org/10.1002/..
 
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14

List of Contributors:

, In: Critical Issues in Alcohol and Drugs of Abuse Testing,
Ahmed, Sohail ; Ahrens, Brian D. ; Algren, D. Adam... - p. xv-xvi , 2019
Link: https://doi.org/10.1016/..
 
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15

Isotopically labeled boldenone as a better marker of deriva..:

Sobolevsky, Tim ; Kucherova, Yulia ; Ahrens, Brian
Drug Testing and Analysis.  11 (2018)  2 - p. 336-340 , 2018
Link: https://doi.org/10.1002/..
 
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