An official website of the United States government
The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before
sharing sensitive information, make sure you’re on a federal
government site.
The site is secure.
The https:// ensures that you are connecting to the
official website and that any information you provide is encrypted
and transmitted securely.
Ryoo JJ, Kim TH, Im SH, Jeong YH, Park JY, Choi SH, Lee KP, Park JH.Ryoo JJ, et al.J Chromatogr A. 2003 Feb 14;987(1-2):429-38. doi: 10.1016/s0021-9673(02)01702-8.J Chromatogr A. 2003.PMID: 12613838
Im SH, Ryoo JJ.Im SH, et al. Among authors: ryoo jj.J Chromatogr A. 2009 Mar 20;1216(12):2339-44. doi: 10.1016/j.chroma.2009.01.005. Epub 2009 Jan 9.J Chromatogr A. 2009.PMID: 19185870
Van Kien N, Jeong YH, Seog DJH, Ryoo JJ.Van Kien N, et al. Among authors: ryoo jj.J Chromatogr A. 2023 Nov 8;1710:464402. doi: 10.1016/j.chroma.2023.464402. Epub 2023 Sep 20.J Chromatogr A. 2023.PMID: 37797422
Lee KP, Choi SH, Ryu EN, Ryoo JJ, Park JH, Kim Y, Hyun MH.Lee KP, et al. Among authors: ryoo jj.Anal Sci. 2002 Jan;18(1):31-4. doi: 10.2116/analsci.18.31.Anal Sci. 2002.PMID: 11817723Free article.
Lee KP, Choi SH, Kim SY, Kim TH, Ryoo JJ, Ohta K, Jin JY, Takeuchi T, Fujimoto C.Lee KP, et al. Among authors: ryoo jj.J Chromatogr A. 2003 Feb 14;987(1-2):111-8. doi: 10.1016/s0021-9673(02)01462-0.J Chromatogr A. 2003.PMID: 12613803