@article{article, title  = {{Accounting for cross boundary flows.}},

 url = {{}},

 year = {{1987}},

 month = {{10}},

 author = {{Brazier J}},

 doi = {{10.1136/bmj.295.6603.898}},

 volume = {{295}},

 journal = {{Br Med J (Clin Res Ed)}},

 issue = {{6603}},

 pages = {{898-900}},

 note = {{Accessed on 2025/03/11}}}