Frecska, E., Losonczy, M., Keefe, R. S. E., Silverman, J. M., Davidson, M., Harvey, P., … Davis, K. L. (1991). Kraepelinian schizophrenia: A replication in an independent sample. Schizophrenia Research, 4(3), 257–257. https://doi.org/10.1016/0920-9964(91)90108-4

Frecska, E., M. Losonczy, R. S. E. Keefe, J. M. Silverman, M. Davidson, P. Harvey, R. T. McQueeney, D. Lobel, S. Apter, and K. L. Davis. “Kraepelinian schizophrenia: A replication in an independent sample.” Schizophrenia Research 4, no. 3 (May 1991): 257–257. https://doi.org/10.1016/0920-9964(91)90108-4.

Frecska E, Losonczy M, Keefe RSE, Silverman JM, Davidson M, Harvey P, et al. Kraepelinian schizophrenia: A replication in an independent sample. Schizophrenia Research. 1991 May;4(3):257–257.

Frecska, E., et al. “Kraepelinian schizophrenia: A replication in an independent sample.” Schizophrenia Research, vol. 4, no. 3, Elsevier BV, May 1991, pp. 257–257. Crossref, doi:10.1016/0920-9964(91)90108-4.

Frecska E, Losonczy M, Keefe RSE, Silverman JM, Davidson M, Harvey P, McQueeney RT, Lobel D, Apter S, Davis KL. Kraepelinian schizophrenia: A replication in an independent sample. Schizophrenia Research. Elsevier BV; 1991 May;4(3):257–257.