Canadian search filter for MEDLINE

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Canadian filter - OvidSP MEDLINE & EMBASE

The following filter works in OvidSP MEDLINE and EMBASE:

exp canada/
canada.cp.
(canada or canadian$ or alberta or british columbia or columbie britannique).af.
(saskatchewan or manitoba or ontario or quebec or new brunswick or nouveau brunswick).af.
(nova scotia or nouvelle ecosse or prince edward island or ile du prince edward or newfoundland or terre neuve or labrador or nun?v?t or nun?v?t or nwt or territoires du nord ouest or northwest territories or yukon).af.
(canada or canadian$ or alberta or british columbia or columbie britannique).in,jw,nw,jx.
(saskatchewan or manitoba or ontario or quebec or new brunswick or nouveau brunswick).in,jw,nw,jx.
(nova scotia or nouvelle ecosse or prince edward island or ile du prince edward or newfoundland or labrador or nun?v?t or nwt or northwest territories or territoires du nord ouest or yukon).in,jw,nw,jx.
or/1-8

The following filter can be used for other OvidSP databases:

(canada or canadian$ or alberta or british columbia or columbie britannique).mp,in,cp,pl,jx,jw,jn,so.
(saskatchewan or manitoba or ontario or quebec or new brunswick or nouveau brunswick).mp,in,cp,pl,jx,jw,jn,so.
(nova scotia or nouvelle ecosse or prince edward island or ile du prince edward or newfoundland or labrador or nun?v?t or nwt or northwest territories or territoires du nord ouest or yukon).mp,in,cp,pl,jx,jw,jn,so.
1 or 2 or 3
(canada or canadian$ or alberta or british columbia or columbie britannique).af.
(saskatchewan or manitoba or ontario or quebec or new brunswick or nouveau brunswick).af.
(nova scotia or nouvelle ecosse or prince edward island or ile du prince edward or newfoundland or labrador or nun?v?t or nwt or northwest territories or territoires du nord ouest or yukon).af.
5 or 6 or 7
4 or 8

These were created to be exhaustive, so non-Canadian info will get retrieved, but that’s just a fact of life when one needs to be exhaustive.
It may seem redundant to have to search .af. and the other fields but I found that .af. doesn’t really cover ‘all fields’, e.g. if I search canada.in. in one set and then search canada.af. in another set and OR the two sets together, I get a greater number than what’s in the canada.af. set.