You are the owner of this article.© 2020 Lee EnterprisesCanadians who get health care in Buffalo see border as a barrierShare thisMedical appointments in Buffalo never used to be much of a problem for Diane and Terry Dick of Fort Erie and countless other Canadians.But with the border closed to all but essential traffic amid the Covid-19 pandemic, what once was routine is now trouble – both coming and going.The Dicks learned that the hard way on June 24. After they crossed the Peace Bridge into Buffalo, a U.S. Customs agent gave them a hard time because they didn't have written proof of...…You are the owner of this article.© 2020 Lee EnterprisesCanadians who get health care in Buffalo see border as a barrierShare thisMedical appointments in Buffalo never used to be much of a problem for Diane and Terry Dick of Fort Erie and countless other Canadians.But with the border closed to all but essential traffic amid the Covid-19 pandemic, what once was routine is now trouble – both coming and going.The Dicks learned that the hard way on June 24. After they crossed the Peace Bridge into Buffalo, a U.S. Customs agent gave them a hard time because they didn't have written proof of...WW…