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Waller DA, Hardy BW, Pole R, Giles D, Gullion CM, Rush AJ, Roffwarg HP.Waller DA, et al. Among authors: roffwarg hp.Biol Psychiatry. 1989 Mar 1;25(5):661-4. doi: 10.1016/0006-3223(89)90233-3.Biol Psychiatry. 1989.PMID: 2920201No abstract available.
Giles DE, Roffwarg HP, Rush AJ.Giles DE, et al. Among authors: roffwarg hp.Biol Psychiatry. 1990 Oct 15;28(8):697-704. doi: 10.1016/0006-3223(90)90456-c.Biol Psychiatry. 1990.PMID: 2242389