- Clinical Usefulness of Ultraperformance Liquid Chromatography-Tandem Mass Spectrometry Method for Low Serum Testosterone Measurement
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Cho SE, Han J, Park JH, Park E, Kim GY, Lee JH, Yi A, Lee SG, Lee EH, Yun YM
- KMID: 2551573
- Ann Lab Med.
- 2023 Jan;43(1):19-28.
- doi: 10.3343/alm.2023.43.1.19
Background: Mass spectrometry methods exhibit higher accuracy and lower variability than immunoassays at low testosterone concentrations. We developed and validated an ultraperformance liquid chromatography-tandem mass spectrometry (UPLC-MS/MS) assay for quantifying... -
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- The Relationship between Social Relations and Physical Activity in the Young-old and Old-old Elderly
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Jeon SY, Lee SG
- KMID: 2549226
- J Agric Med Community Health.
- 2023 Jun;48(2):103-117.
- doi: 10.5393/JAMCH.2023.48.2.103
Objectives: This study aims to reveal the relationship between social relations and physical activity in the young-old and old-old elderly. Methods: Data from 2020 National survey of Older Koreans were used,... -
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