TY - STAND AU - A. Shah AU - O. Nicholas AU - A. Timmis AU - G. Feder AU - K. Abrams AU - R. Chen AU - A. Hingorani AU - H. Hemingway BT - PLoS Med DO - 10.1371/journal.pmed.1000439 M1 - 5 PY - 2011 EP - e1000439 T2 - PLoS Med TI - Threshold haemoglobin levels and the prognosis of stable coronary disease: two new cohorts and a systematic review and meta-analysis VL - 8 SN - 1549-1277 ER -