eMedicine: Pernicious Anemia eMedicine: Pernicious Anemia http://emedicine.medscape.com/article/204930-overview http://emedicine.medscape.com/article/204930-overview#a0104 http://emedicine.medscape.com/article/204930-overview article/204930 Pernicious Anemia Full article >>> Pernicious Anemia Overview http://emedicine.medscape.com/article/204930-overview#a0104 low vitamin B12 can signal pernicious anemia «Pernicious Anemia» http://emedicine.medscape.com/article/204930-overview http://emedicine.medscape.com/article/204930-overview