O'Brien, Peter C.; Fleming, Thomas R. (1979-01-01). "A Multiple Testing Procedure for Clinical Trials". Biometrics. 35 (3): 549–556. doi:10.2307/2530245. JSTOR2530245. PMID497341.
Wang, Samuel K.; Tsiatis, Anastasios A. (1987-01-01). "Approximately Optimal One-Parameter Boundaries for Group Sequential Trials". Biometrics. 43 (1): 193–199. doi:10.2307/2531959. JSTOR2531959. PMID3567304.
Schou, I. Manjula; Marschner, Ian C. (2013-12-10). "Meta-analysis of clinical trials with early stopping: an investigation of potential bias". Statistics in Medicine. 32 (28): 4859–4874. doi:10.1002/sim.5893. ISSN1097-0258. PMID23824994. S2CID22428591.
O'Brien, Peter C.; Fleming, Thomas R. (1979-01-01). "A Multiple Testing Procedure for Clinical Trials". Biometrics. 35 (3): 549–556. doi:10.2307/2530245. JSTOR2530245. PMID497341.
Wang, Samuel K.; Tsiatis, Anastasios A. (1987-01-01). "Approximately Optimal One-Parameter Boundaries for Group Sequential Trials". Biometrics. 43 (1): 193–199. doi:10.2307/2531959. JSTOR2531959. PMID3567304.
O'Brien, Peter C.; Fleming, Thomas R. (1979-01-01). "A Multiple Testing Procedure for Clinical Trials". Biometrics. 35 (3): 549–556. doi:10.2307/2530245. JSTOR2530245. PMID497341.
Wang, Samuel K.; Tsiatis, Anastasios A. (1987-01-01). "Approximately Optimal One-Parameter Boundaries for Group Sequential Trials". Biometrics. 43 (1): 193–199. doi:10.2307/2531959. JSTOR2531959. PMID3567304.
Schou, I. Manjula; Marschner, Ian C. (2013-12-10). "Meta-analysis of clinical trials with early stopping: an investigation of potential bias". Statistics in Medicine. 32 (28): 4859–4874. doi:10.1002/sim.5893. ISSN1097-0258. PMID23824994. S2CID22428591.
Schou, I. Manjula; Marschner, Ian C. (2013-12-10). "Meta-analysis of clinical trials with early stopping: an investigation of potential bias". Statistics in Medicine. 32 (28): 4859–4874. doi:10.1002/sim.5893. ISSN1097-0258. PMID23824994. S2CID22428591.
Schou, I. Manjula; Marschner, Ian C. (2013-12-10). "Meta-analysis of clinical trials with early stopping: an investigation of potential bias". Statistics in Medicine. 32 (28): 4859–4874. doi:10.1002/sim.5893. ISSN1097-0258. PMID23824994. S2CID22428591.