RT Journal Article SR Electronic A1 Vinall, Maria T1 Breast Feeding Reduces the Risk of Rheumatoid Arthritis JF MD Conference Express YR 2007 FD SAGE Publications VO 7 IS 4 SP 11 OP 12 DO 10.1177/155989770700700405 UL http://mdc.sagepub.com/content/7/4/11.2.abstract AB Results of an observational study indicated that breast feeding for a period of 13 months or more reduced a woman's risk of developing rheumatoid arthritis.