Efficient ways exist to obtain the optimal sample size in clinical trials in rare diseases.
J. van der Lee, J. Wesseling, M. Tanck, and M. Offringa. Journal of clinical epidemiology, 61 (4):
324-30(April 2008)4585<m:linebreak></m:linebreak>PUBM: Print-Electronic; JID: 8801383; RF: 50; 2006/08/29 received; 2007/07/09 revised; 2007/07/12 accepted; 2008/02/21 aheadofprint; ppublish;<m:linebreak></m:linebreak>Tipus d'estudis.
DOI: 10.1016/j.jclinepi.2007.07.008
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