title: Refinements of the classification of polymorphic eruption of pregnancy.
authors.forename: Martin M
authors.initials: MM
authors.lastname: Black
mesh_terms: D016022:Case-Control Studies; D002585:Cesarean Section / Q000706:statistics & numerical data*; D005260:Female; D006801:Humans; D015994:Incidence; D008297:Male; D011247:Pregnancy; D011248:Pregnancy Complications / Q000453:epidemiology*; D011272:Pregnancy, Multiple / Q000706:statistics & numerical data; D011537:Pruritus / Q000453:epidemiology*; D012744:Sex Ratio; D009626:Terminology as Topic