Lock EF, Ziemiecki RM, Marron J, Dittmer DP. Efficiency clustering for low-density microarrays and its application to QPCR. BMC Bioinformatics. 2010 Jul;11(386).
Sorensen HT, Steffensen FH, Sabroe S, Rothman KJ, Gillman MW, Fischer P. Historical cohort study of in utero exposure to uterotonic drugs and cognitive function in young adult life. West J Med. 1999 Jan 1;170(5):260-2.