Ginns EI, Ott J, Egeland JA, Allen CR, Fann CS, Pauls DL, Weissenbachoff J, Carulli JP, Falls KM, Keith TP, Paul SM. A genome-wide search for chromosomal loci linked to bipolar affective disorder in the Old Order Amish. Nat Genet. 1996 Apr; 12(4):431-5.