PT - JOURNAL ARTICLE AU - Marco Massarotti AU - Antonio Marchesoni AU - Maria Louisa Biondi AU - Bianca Marasini TI - Polymorphism in the matrix metalloproteinase-1 promoter gene and severity of rheumatoid arthritis. DP - 2002 Oct 01 TA - The Journal of Rheumatology PG - 2241--2241 VI - 29 IP - 10 4099 - http://www.jrheum.org/content/29/10/2241.short 4100 - http://www.jrheum.org/content/29/10/2241.full SO - J Rheumatol2002 Oct 01; 29