nitrates(nitroglycerin), nitrites(亜硝酸塩, high altitude water sources), ☆benzocaine(local anesthesia for apthous stomatitis),dapsone
☆chocolate colored blood, cyanosis(☆Fe3+ has ↑ affinity for cyanide→ left shift), pulse oximetry inaccuracy
methylene blue and vitamine C
Optimized studying based on the forgetting curve vastly improves memorization. - What is reminDO?
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