citation information (mar 2009, from ISI web of knowledge)

5. Title: Platelet genomics beats the catch-22
Author(s): Bray PF
Source: BLOOD   Volume: 114   Issue: 7   Pages: 1286-1287   Published: AUG 13 2009

4. Title: Partial correlation analysis indicates causal relationships between GC-content, exon density and recombination rate in the human genome
Author(s): Freudenberg J, Wang MY, Yang YN, et al.
Source: BMC BIOINFORMATICS   Volume: 10 Article Number: S66   Supplement: Suppl. 1   Published: JAN 30 2009 

3. Title: Mendelian randomisation and causal inference in observational epidemiology
Author(s): Sheehan NA, Didelez V, Burton PR, et al.
Source: PLOS MEDICINE   Volume: 5   Issue: 8   Pages: 1205-1210   Published: AUG 2008

2.  Karlson EW, Chibnik LB, Cui J, et al.
Associations between Human leukocyte antigen, PTPN22, CTLA4 genotypes and rheumatoid arthritis phenotypes of autoantibody status, age at diagnosis and erosions in a large cohort study
ANNALS OF THE RHEUMATIC DISEASES   Volume: 67   Issue: 3   Pages: 358-363   Published: MAR 2008

1.  Jepsen KJ, Hu B, Tommasini SM, et al.
Genetic randomization reveals functional relationships among morphologic and tissue-quality traits that contribute to bone strength and fragility 
MAMMALIAN GENOME 18 (6-7): 492-507 JUL 2007