Stephens, J. H.; Astrup, C.; Carpenter Jr, W. T.; Shaffer, J. W.; Goldberg, J. (1982). "A comparison of nine systems to diagnose schizophrenia". Psychiatry Research. 6 (2): 127–43. doi:10.1016/0165-1781(82)90001-4. PMID6953455. S2CID9781596.
Stephens, J. H.; Astrup, C.; Carpenter Jr, W. T.; Shaffer, J. W.; Goldberg, J. (1982). "A comparison of nine systems to diagnose schizophrenia". Psychiatry Research. 6 (2): 127–43. doi:10.1016/0165-1781(82)90001-4. PMID6953455. S2CID9781596.
Stephens, J. H.; Astrup, C.; Carpenter Jr, W. T.; Shaffer, J. W.; Goldberg, J. (1982). "A comparison of nine systems to diagnose schizophrenia". Psychiatry Research. 6 (2): 127–43. doi:10.1016/0165-1781(82)90001-4. PMID6953455. S2CID9781596.
Perspectives on Treatment for Communication Deficits Associated With Right Hemisphere Brain Damage by Margaret Lehman Blake 2007 ISSN1058-0360 page 333