Ca++antagonist effect of Matricaria chamomillaagainst CaCl
contractions. The concentration-response curves of Ca++ constructed in the absence and presence of increasing concentration of (A) The crude extract of Matricaria chamomilla (Mc. Cr), (B) verapamil and (C) cromakalim in isolated rabbit jejunum preparations. The values shown are mean ± s.e.m. from 4–5 determinations.