Table 1.

Search terms.

Category	MeSH terms	Keywords (in title or abstract)
Brexit	European Union, United Kingdom	Brexit OR United Kingdom OR Britain OR ((“EU” OR “European Union”) AND “single market”) OR “Article 50” OR ((leave OR withdraw* OR exit OR remain OR stay) ADJ4 (“European Union” OR “EU” OR “EEA” OR “European Economic Area”)) OR “Post-Brexit”
Pharmaceuticals	Drug industry, pharmaceutical preparations, pharmaceutical societies, pharmaceutical economics, drug approval, United States Food and Drug Administration	((Pharma* OR drug* or medic*) ADJ4 (industr* OR compan* OR supply OR sector OR production OR approval OR deliver* OR regulat* OR preparation* OR societ* OR econom* OR manufactur* OR shortage* OR stockpil* OR stock-pil*)) OR “EMA” OR “European Medicines Agency” OR “MHRA” OR “Medicines and Health products Regulatory Agency” OR “FDA” OR “Food and Drug Administration” OR “Royal Pharmaceutical Society” OR “National Health Service” OR “NHS” OR “Department of Health”
Effects	Cost and cost analyses, time-to-treatment	Consequence* OR change* OR outcome* OR effect* OR implication* OR result* OR opinion* OR cost* OR delay* OR “customs union” OR “free trade” OR “severe” OR “severity”