Whether you're researching pain treatment, ethical issues, or patient-family relations, having the correct sources can help you increase the depth and credibility of your research.  Here are some important locations to find good resources

Academic databases 

University libraries offer access to a variety of academic databases comprising peer-reviewed publications and papers.  Some essential databases for nursing dissertation topics palliative care and palliative care are:

PubMed

 contains a large collection of medical literature, including studies on palliative care.

CINAHL (The Cumulative Index to Nursing and Allied Health Literature):

 A database focused on nursing and healthcare.

 Cochrane Library:

 Contains systematic reviews of evidence-based healthcare practices.

 Institutional and government websites 

 Organizations committed to palliative care research and policy provide useful studies and advice.

 The World Health Organization (WHO) 

 Provides global views and frameworks for palliative care.