Tolerance to oral hematinic therapy: controlled-release versus conventional ferrous sulfate.
D000368:Aged; D000747:Anemia, Hypochromic / Q000188:drug therapy*; D003692:Delayed-Action Preparations; D004361:Drug Tolerance; D006452:Hemoglobinometry; D006801:Humans; D007408:Intestinal Absorption; D007501:Iron / Q000008:administration & dosage*; D008875:Middle Aged; D013607:Tablets
D003692:Delayed-Action Preparations; D013607:Tablets; D007501:Iron