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[41] [42] Functional vitamin B 12 deficiency can also develop with heavy regular use of nitrous oxide N 2 O, also known as "laughing gas", by oxidizing the cobalt atom and inactivating the vitamin
Maintaining recommended levels of vitamin B12 can possibly prevent age-related macular degeneration
Please note we would recommend a period of supervised practice in addition to this assessment until you and your employer are satisfied that you are competent before you practice alone.
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