Limits to the analysis and interpretation of non-experimental clinical data.

MLA

Keane, T. J. “Limits to the Analysis and Interpretation of Non-Experimental Clinical Data.” Radiotherapy and Oncology : Journal of the European Society for Therapeutic Radiology and Oncology, vol. 30, no. 2, Feb. 1994, pp. 95–96. EBSCOhost, https://doi.org/10.1016/0167-8140(94)90037-x.

APA

Keane, T. J. (1994). Limits to the analysis and interpretation of non-experimental clinical data. Radiotherapy and Oncology : Journal of the European Society for Therapeutic Radiology and Oncology, 30(2), 95–96. https://doi.org/10.1016/0167-8140(94)90037-x

Chicago

Keane, T J. 1994. “Limits to the Analysis and Interpretation of Non-Experimental Clinical Data.” Radiotherapy and Oncology : Journal of the European Society for Therapeutic Radiology and Oncology 30 (2): 95–96. doi:10.1016/0167-8140(94)90037-x.