1: Mineral springs start to moderate involuntary muscular contraction (5)
4: Greek characters suggest dawn (3)
6: In fear of wheat head (3)
7: A number going to church for fish (5)
8: Study a French instrument - it's a puzzle (9)
10: Flower inducing forgetfulness in vaudeville theater (5)
12: Walesa still embodies how Nobel Laureates soar? (3)
13: Cleaning aid possessed by Fragonard (3)