Bromelaina 100 CDU/ml — q.s., N-Acetilcisteina 0.1% — q.s., Acid hialuronic sodic 0.1% (LMW) — q.s., NaCl 0.9% — q.s., EDTA disodic 0.02% — q.s., Tampon fosfat pH 6.5-7.0 — q.s., Aqua purificata sterila ad 20 ml (monodoze sterile 2 ml — q.s., refrigerare) — q.s.