Treatment of massive pulmonary thromboembolism with low intrapulmonary dosages of urokinase; Short-term angiographic and hemodynamic evolution

1. Gonzalez-Juanatey, J.R.
2. Valdes, L.
3. Amaro, A.
4. Iglesias, C.
5. Alvarez, D.
6. Acuna, J.M.G.
7. De la Pena, M.G.