TY - RPRT TI - [A method combination for Advanced Nursing Practice projects]. AU - Andrea Ullmann-Bremi AU - Rebecca Spirig AU - Sascha Ullmann PY - 2004 DO - 10.1024/1012-5302.17.4.262 UR - https://pubmed.ncbi.nlm.nih.gov/15455828/ ID - 15455828 ER -