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Cho ZH, Hilal SK, Ra JB, Hong KS, Bigler RE, Yoshizumi T, Wolf AP, Fowler JS.Cho ZH, et al. Among authors: hilal sk.Phys Med Biol. 1983 Nov;28(11):1219-34. doi: 10.1088/0031-9155/28/11/003.Phys Med Biol. 1983.PMID: 6606811
Cho ZH, Nalcioglu O, Park HW, Ra JB, Hilal SK.Cho ZH, et al. Among authors: hilal sk.Magn Reson Med. 1985 Jun;2(3):253-61. doi: 10.1002/mrm.1910020308.Magn Reson Med. 1985.PMID: 3831694
Ra JB, Hilal SK, Cho ZH, Park HW, Cho MH.Ra JB, et al. Among authors: hilal sk.Magn Reson Med. 1986 Feb;3(1):105-11. doi: 10.1002/mrm.1910030113.Magn Reson Med. 1986.PMID: 3959873
Cho ZH, Ra JB, Hilal SK.Cho ZH, et al. Among authors: hilal sk.IEEE Trans Med Imaging. 1983;2(1):6-18. doi: 10.1109/TMI.1983.4307607.IEEE Trans Med Imaging. 1983.PMID: 18234583
Lee SZ, Ra JB, Hilal SK, Cho ZH.Lee SZ, et al. Among authors: hilal sk.IEEE Trans Med Imaging. 1989;8(4):304-12. doi: 10.1109/42.41483.IEEE Trans Med Imaging. 1989.PMID: 18230530