Hillary Clinton Hillary Diane Rodham ClintonJoe Biden looks to expand election battleground into Trump country Biden leads Trump by 12 points among Catholic voters: poll The Hill's Campaign Report: Biden goes on offense MORE says she has been more transparent than Donald Trump Donald John TrumpBubba Wallace to be driver of Michael Jordan, Denny Hamlin NASCAR team Graham: GOP will confirm Trump's Supreme Court nominee before the election Southwest Airlines, unions call for six-month extension of government aid MORE in the presidential campaign.

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"I think I've worked very, very hard to be more transparent than not just my opponent but really in a comparison to anybody who's run," the Democratic nominee told the "Tom Joyner Morning Show" in an interview aired Thursday.

"The medical information I put out, and we're going to put out more, meets and exceeds the standards that other presidential candidates, including President Obama and Mitt Romney and others, have met."

Clinton on Wednesday released information from her medical records, which included her personal physician calling her "healthy and fit to serve as president."

Clinton on Sunday suffered a health incident at a Sept. 11 memorial in New York City, stumbling and struggling to enter a van. Only after video of the incident surfaced did her campaign acknowledge she'd been diagnosed with pneumonia two days before, prompting criticism.

Clinton has been off the campaign trail since the incident, but she is scheduled to return to the road Thursday in North Carolina.

During the interview, Clinton also noted she has released years of tax returns — something her Republican rival has yet to do.

"My tax returns are out there, 40 years of transparency about my tax returns," she said.

"So I think that the real questions need to be directed toward Donald Trump and his failure to even meet the most minimalistic standards that we expect of someone being the nominee of one of our two major parties."

Clinton has faced increased criticism over her campaign's apparent secrecy. Her campaign and allies have sought to turn the tables on Trump, ripping the GOP nominee for not releasing his tax returns or medical records.