TY - RPRT TI - Teaching an engine-driven preparation technique to undergraduates: initial observations. AU - S Hänni AU - K Schönenberger AU - O A Peters AU - F Barbakow PY - 2003 DO - 10.1046/j.1365-2591.2003.00677.x UR - https://pubmed.ncbi.nlm.nih.gov/12823703/ ID - 12823703 ER -