TY - RPRT TI - Side-effect studies on a new sustained release iron preparation. AU - G Rybo AU - L Sölvell PY - 1971 DO - 10.1111/j.1600-0609.1971.tb00873.x UR - https://pubmed.ncbi.nlm.nih.gov/5134472/ ID - 5134472 ER -