Although OM is a multifactorial disease involving Eustachian tube (ET) dysfunction, allergy, upper respiratory infection, and various environmental factors, the primary cause is bacterial infection of the middle ear (ME) mainly by Streptococcus pneumoniae , non-typeable Haemophilus influenzae (NTHi), or Moraxella catarrhalis 4
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Characterization and down-regulation of opiate receptors in aggregating fetal rat brain cells
However, in this case the smell wasn't all that much different than other tobacco eLiquids