Journal Article Health services research Get access Nick Black Nick Black Health Services Research Unit, London School of Hygiene and Tropical MedicineKeppel Street, London WCIE 7HT Search for other works by this author on: Oxford Academic PubMed Google Scholar Journal of Public Health, Volume 15, Issue 1, March 1993, Page 113, https://doi.org/10.1093/oxfordjournals.pubmed.a042798 Published: 01 March 1993
No takes yet. Share an insight, caveat, or question.
Nick Black (1993) studied this question.