CornfieldJ. A statistical problem arising from retrospective studies. In: NeymanJ (ed.) Proceedings of the Third Berkeley Symposium on Mathematical Statistics and Probability, vol. 4. University of California Press, 1956, pp. 135–148.
2.
Boston collaborative drug surveillance program: Reserpine and breast cancer. Lancet1974; 2: 669–71.
3.
ArmstrongBStevensNDollR. Retrospective study of the association between use of rauwolfia derivatives and breast cancer in English women. Lancet1974; 2: 672–75.
4.
HeinonenOPShapiroSTuominenL. Reserpine use in relation to breast cancer. Lancet1974; 2: 675–77.
5.
ImmichH. Rauwolfia derivatives and cancer (letter to the editor). Lancet1974; 2: 774–75.
6.
Boston collaborative drug surveillance program: Rauwolfia derivatives and breast cancer (letter to the editor). Lancet1974; 2: 1315–16.
7.
BrownBW. The crossover experiment for clinical trials. Biometrics1980; 36: 169–79.
8.
CornfieldJ. Minutes of the BEMAC meeting. 23June1976. FDA library, White Oak Campus, New Hampshire Avenue, MD.
9.
SennSS. Cross-over Trials in Clinical Research Statistics in Practice. John Wiley and SonsChichester, 1993.
10.
JonesBJKenwardMG. Design and Analysis of Cross-Over Trials. Chapman & Hall, London, 1989.
11.
RatkowskyDAEvanMAAlldredgeJR. Cross-Over Experiments, Design, Analysis and Application. Marcel Dekker, New York, 1993.