| ||||||||||||||||||||||
Combining Matched and Unmatched Control Groups in Case-Control Studies Files in this Data Supplement:
Am. J. Epidemiol. Cessie et al.
168: 1204
Online Appendix
| ||||||||||||||||||||||
| ||||||||||||||||||||||
Combining Matched and Unmatched Control Groups in Case-Control Studies Files in this Data Supplement:
Am. J. Epidemiol. Cessie et al.
168: 1204
Online Appendix
| ||||||||||||||||||||||