Leshem-Rubinow E, Steinvil A, Zeltser D, Berliner S, Rogowski O, Raz R, Chodick G, Shalev V. Association of angiotensin-converting enzyme inhibitor therapy initiation with a reduction in hemoglobin levels in patients without renal failure. Mayo Clin Proc.  2012;87 (12) :1189-95.