Koczwara, A [Use of delayed-action nitrate preparations in the treatment of heart failure]. [electronic resource] - Polski tygodnik lekarski (Warsaw, Poland : 1960) Nov 1987 - 1451-3 p. digital Publication Type: English Abstract; Journal Article ISSN: 0032-3756 Subjects--Topical Terms: AgedChronic DiseaseDelayed-Action PreparationsFemaleHeart Failure--drug therapyHumansMaleMiddle AgedNitrates--administration & dosageVasodilator Agents--administration & dosage