@article {66, editor = {,}, title = {Purpose and procedure}, volume = {2}, number = {3}, pages = {66--67}, year = {1999}, doi = {10.1136/ebn.2.3.66}, publisher = {Royal College of Nursing}, issn = {1367-6539}, URL = {https://ebn.bmj.com/content/2/3/66}, eprint = {https://ebn.bmj.com/content/2/3/66.full.pdf}, journal = {Evidence-Based Nursing} }