TY - RPRT TI - Introducing a problem-based unit into a lifespan nutrition class using a randomized design produces equivocal outcomes. AU - Barbara Lohse AU - Susan Nitzke AU - Denise M Ney PY - 2003 DO - 10.1016/s0002-8223(03)00478-4 UR - https://pubmed.ncbi.nlm.nih.gov/12891152/ ID - 12891152 ER -