Sputum investigations in patients with asthma
V. N. Solopov, I. I. Reznikov, I. V. Lunichkina Non-conventional approaches to sputum investigations in patients with COPD Soviet Association of aid to patients with cystic fibrosis, Pogodinscaya 8 — 2, 119121 Moscow, USSR. We applied the method of electron paramagnetic resonance (EPR) radiospectroscopy to …