Double blind clinical trial comparing 5 days of dirythromycin versus 7 days of diacetymidecamycin in acute bronchitis and acute exacerbations of chronic bronchitis

1. Sacristán, J.A.
2. Elviro, J.
3. De Lomas, J.G.
4. Palomino-Nicás, J.
5. Sobradillo, V.
6. Gascón, F.S.
7. Valencia, A.
8. Calbo, F.
9. Viejo, J.L.
10. Zamarrón, C.
11. Coca, E.
12. Casado, M.Á.
13. Pérez, L.E.G.
14. Hernández, J.M.