I N THE PROVINCE of V#{228}sterbotten, Ncrth Sweden, we have observed a hitherto undescribed anomaly of erythropoiesis, characterized by : ( 1 ) a nonhemolytic normochromic anemia with a low or normal reticulocyte count and without indications of reduced activity of either granulocytopoiesis or thrombocytopoiesis; ( 2 ) a characteristic bone marrow picture, corresponding to that seen in the di ...
