Beekman M, Posthuma D, Heijmans BT, Lakenberg N, Suchiman HED, Snieder H, de Knijff P, Frants RR, van Ommen GJB, Kluft C, Vogler GP, Slagboom PE, Boomsma DI. (2004) Combined association and linkage analysis applied to the APOE locus. Genet Epidemiol 26(4), 328-337.

Heijmans BT, Beem AL, Willemsen AHM, Posthuma D, Slagboom PE, Boomsma DI (2004). Further evidence for a QTL influencing body mass index on chromosome 7p from a genome-wide scan in Dutch families. Twin Res, 7(2), 192-196.

Kupper N, Willemsen G, van den Berg M, de Boer D, Posthuma D, Boomsma DI, de Geus EJC (2004). Heritability of ambulatory heart rate variability. Circulation, 110: 2792 – 2796.

Posthuma D, de Geus EJC, Boomsma DI, and Neale MC. (2004) Combined linkage and association tests in Mx. Behav Genet, 34 (2), 179-195.

van den Berg SM, Posthuma D, Boomsma DI. (2004). A longitudinal genetic study of vocabulary knowledge in adults. Twin Res, 7(3), 284-291.

Vink, JM, Beem AL, Posthuma D, Neale MC, Willemsen AHM, Kendler KS, Slagboom PE, Boomsma DI. (2004). Linkage analysis of smoking initiation and quantity in Dutch sibling pairs. The Pharmacogenomics Journal, 4, 274-282.

Willemsen G, Boomsma DI, Beem AL, Vink JM, Slagboom PE, Posthuma D. (2004). QTLS for height: results from a full genome scan in Dutch sibling pairs. Eur J Hum Genet, 12(10):820-828.