moderate abrasive
81Mouth ulcer — Oral ulcer Classification and external resources Aphthous ulcer on the lower lip ICD 9 528.9 …
82Reagan, Ronald — (1911–2004) President of the United States (1981–1989). In the presidential election of November 1980, Reagan, a conservative Republican, defeated Jimmy Carter, the incumbent Democratic president. Reagan attacked Carter’s human rights policy,… …
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