Hopwood, M., Mabry, J. C., & Sibley, W. L. (1980). The role of general clinical research centers in clinical trials: A characterization with recommendations. Rand Corp..
Citace podle Chicago (17th ed.)Hopwood, Marsha, John C. Mabry, a W. L. Sibley. The Role of General Clinical Research Centers in Clinical Trials: A Characterization with Recommendations. Santa Monica, CA: Rand Corp., 1980.
Citace podle MLA (8th ed.)Hopwood, Marsha, et al. The Role of General Clinical Research Centers in Clinical Trials: A Characterization with Recommendations. Rand Corp., 1980.
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