Database/Resource	Strategy
Medline Ovid (1946 onwards)	1 cystic fibrosis or CF 2 methicillin resistant staphylococcus aureus OR meticillin resistant staphylococcus aureus OR MRSA 3 1 OR 2
PubMed (1946 onwards)	[PubMed Advanced Search Builder] #1 (cystic fibrosis[Title]) OR CF[Title] #2 ((methicillin resistant staphylococcus aureus[Title]) OR meticillin resistant staphylococcus aureus[Title]) OR MRSA[Title] #3 1 AND 2
Clinicaltrials.gov	Condition/Disease: cystic fibrosis Other terms: mrsa
WHO ICTRP	cystic fibrosis AND mrsa
ISRCTN registry	cystic fibrosis AND mrsa