[8]
Nurses’ knowledge of pain assessment and management: How much progress have we made?[J] . Margo McCaffrey,Betty R. Ferrell.Journal of Pain and Symptom Management . 1997 (3)
[8]
Nurses’ knowledge of pain assessment and management: How much progress have we made?[J] . Margo McCaffrey,Betty R. Ferrell.Journal of Pain and Symptom Management . 1997 (3)