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Leard LE, Macdonald ES, Heller HC, Kilduff TS.Leard LE, et al. Among authors: heller hc.Neuroreport. 1994 Dec 20;5(18):2683-7. doi: 10.1097/00001756-199412000-00069.Neuroreport. 1994.PMID: 7696632
Clegg DA, O'Hara BF, Heller HC, Kilduff TS.Clegg DA, et al. Among authors: heller hc.Brain Res Dev Brain Res. 1995 Jan 14;84(1):46-54. doi: 10.1016/0165-3806(94)00152-p.Brain Res Dev Brain Res. 1995.PMID: 7720216Free article.