www.ncbi.nlm.nih.gov/pmc/articles/PMC2894651/ www.ncbi.nlm.nih.gov/pmc/articles/PMC2894651/ www.ncbi.nlm.nih.gov/pmc/articles/PMC2894651/ fetal cells in the mother’s blood to autoimmune disease "The role of fetal microchimerism in autoimmune disease" "The role of fetal microchimerism in autoimmune disease" www.ncbi.nlm.nih.gov/pmc/articles/PMC2894651/