Survey of methods and statistical models used in the analysis of occupational cohort studies.

Por Callas, P W, Pastides, H, Hosmer, D W
Publicado em 1994

An unknown genetic defect increases venous thrombosis risk, through interaction with protein C deficiency.

Por Hasstedt, S J, Bovill, E G, Callas, P W, Long, G L
Publicado em 1998

The endothelial microenvironment in the venous valvular sinus: thromboresistance trends and inter-individual variation

Por Trotman, W. E., Taatjes, D. J., Callas, P. W., Bovill, E. G.
Publicado em 2011

Genome scan of clot lysis time and its association with thrombosis in a protein C deficient kindred

Por Meltzer, M.E., Hasstedt, S.J., Vossen, C.Y., Callas, P.W., de Groot, Ph.G., Rosendaal, F.R., Lisman, T., Bovill, E.G.
Publicado em 2011

Genetic variants associated with protein C levels

Por Vossen, C.Y., Koeleman, B.P., Hasstedt, S.J., Nijman, I.J., Renkens, I.J., Callas, P.W., Rosendaal, F.R., Bovill, E.G.
Publicado em 2013