APA

Hajeer A. H., MacGregor A. J., Rigby A. S., Ollier W. E., Carthy D. & Silman A. J. (19940414). Influence of previous exposure to human parvovirus B19 infection in explaining susceptibility to rheumatoid arthritis: an analysis of disease discordant twin pairs. : Annals of the rheumatic diseases.

Chicago

Hajeer A H, MacGregor A J, Rigby A S, Ollier W E, Carthy D and Silman A J. 19940414. Influence of previous exposure to human parvovirus B19 infection in explaining susceptibility to rheumatoid arthritis: an analysis of disease discordant twin pairs. : Annals of the rheumatic diseases.

Harvard

Hajeer A. H., MacGregor A. J., Rigby A. S., Ollier W. E., Carthy D. and Silman A. J. (19940414). Influence of previous exposure to human parvovirus B19 infection in explaining susceptibility to rheumatoid arthritis: an analysis of disease discordant twin pairs. : Annals of the rheumatic diseases.

MLA

Hajeer A H, MacGregor A J, Rigby A S, Ollier W E, Carthy D and Silman A J. Influence of previous exposure to human parvovirus B19 infection in explaining susceptibility to rheumatoid arthritis: an analysis of disease discordant twin pairs. : Annals of the rheumatic diseases. 19940414.