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It is shown, using both rotation matrix theory and phantom experiments, that the soft inversion pulse has to be halved to flank the semiselective pulse to obtain perfect refocusing and cancellation of interfering resonances. The editing method is used to obtain lactate and \u03b2\u2010hydroxybu\u2010tyrate spectra from the occipital cortex of juvenile epilepsy patients before and after ketogenic diet treatment.<\/jats:p>","DOI":"10.1002\/mrm.1910400520","type":"journal-article","created":{"date-parts":[[2007,3,14]],"date-time":"2007-03-14T10:03:06Z","timestamp":1173866586000},"page":"783-788","update-policy":"http:\/\/dx.doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":21,"title":["<i>In vivo<\/i> lactate and \u03b2\u2010hydroxybutyrate editing using a pure\u2010phase refocusing pulse train"],"prefix":"10.1002","volume":"40","author":[{"given":"Jun","family":"Shen","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Edward J.","family":"Novotny","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Douglas L.","family":"Rothman","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2005,12,12]]},"reference":[{"key":"e_1_2_1_2_2","doi-asserted-by":"publisher","DOI":"10.1016\/0022-2364(84)90054-4"},{"key":"e_1_2_1_3_2","doi-asserted-by":"publisher","DOI":"10.1073\/pnas.81.20.6330"},{"key":"e_1_2_1_4_2","doi-asserted-by":"publisher","DOI":"10.1073\/pnas.82.10.3115"},{"key":"e_1_2_1_5_2","doi-asserted-by":"publisher","DOI":"10.1073\/pnas.82.16.5246"},{"key":"e_1_2_1_6_2","doi-asserted-by":"publisher","DOI":"10.1016\/0022-2364(87)90045-X"},{"key":"e_1_2_1_7_2","doi-asserted-by":"publisher","DOI":"10.1016\/0022-2364(89)90195-9"},{"key":"e_1_2_1_8_2","doi-asserted-by":"publisher","DOI":"10.1016\/0022-2364(88)90282-X"},{"key":"e_1_2_1_9_2","doi-asserted-by":"publisher","DOI":"10.1002\/mrm.1910110314"},{"key":"e_1_2_1_10_2","doi-asserted-by":"publisher","DOI":"10.1002\/mrm.1910090116"},{"key":"e_1_2_1_11_2","doi-asserted-by":"publisher","DOI":"10.1002\/mrm.1910220256"},{"key":"e_1_2_1_12_2","doi-asserted-by":"publisher","DOI":"10.1006\/jmrb.1995.1035"},{"key":"e_1_2_1_13_2","doi-asserted-by":"publisher","DOI":"10.1016\/0022-2364(89)90305-3"},{"key":"e_1_2_1_14_2","doi-asserted-by":"publisher","DOI":"10.1002\/mrm.1910190241"},{"key":"e_1_2_1_15_2","doi-asserted-by":"publisher","DOI":"10.1073\/pnas.90.12.5662"},{"issue":"8","key":"e_1_2_1_16_2","first-page":"147","article-title":"Alterations in cerebral metab olism with the ketogenic diet","volume":"38","author":"Novotny E. 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