Multiple perforations of the skin by a stylet.
D006801:Humans; D007231:Infant, Newborn; D007262:Infusions, Intravenous / Q000009:adverse effects; D009359:Neonatology / Q000379:methods*; D011677:Punctures; D012867:Skin / Q000293:injuries*; D012874:Skin Diseases, Infectious / Q000517:prevention & control