TY - RPRT TI - Achieving physiological change in school-based intervention trials: what makes a preventive intervention successful? AU - Leslie A Lytle AU - David R Jacobs AU - Cheryl L Perry AU - Knut-Inge Klepp PY - 2002 DO - 10.1079/bjn2002668 UR - https://pubmed.ncbi.nlm.nih.gov/12207830/ ID - 12207830 ER -