[NON-PARAMETRIC SIGN TEST IN DETERMINING THE EFFECTIVENESS OF HEALTH EDUCATION].
D003604:Czechoslovakia; D006266:Health Education; D006801:Humans; D011581:Psychological Tests
CZECHOSLOVAKIA; HEALTH EDUCATION; PSYCHOLOGICAL TESTS
NEPARAMETRICK'Y ZNAM'ENKOV'Y TEST P RI PRUZKUMU 'U CINNOSTI ZDRAVOTNICK'E OSV ETY.