DOI:
10.1055/s-00000066
RöFo - Fortschritte auf dem Gebiet der Röntgenstrahlen und der bildgebenden Verfahren
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References
Parsons LS.
Performing a 1:N case-control match on propensity score. Proceedings from the 29th Annual SAS Users Group International Conference.
Montréal, Canada: 2004
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