TY - BOOK ID - 136646951 TI - Nursing research : principles and methods. AU - Hungler, Bernadette P. AU - Polit, Denise F. PY - 1995 SN - 039755138X PB - Philadelphia Lippincott DB - UniCat KW - Nursing KW - Research KW - Methodology UR - https://www.unicat.be/uniCat?func=search&query=sysid:136646951 AB - ER -