I'm not sure that this is 400 words but this is what I came up with.
Answer:
Gotta love musculoskeletal problems, especially in children.
Explanation:
Vascular impairment and trauma to the bone.
Tympanometry, a cochlear implant, Toni merry
Answer: The intramuscular injection of vitamin K is done to prevent possible bleeding events. Vitamin K injections are to prevent a now rare, but potentially fatal, bleeding disorder called 'vitamin K deficiency bleeding' (VKDB), also known as 'haemorrhagic disease of the newborn' (HDN).
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