- Electricalpositivesattractelectricalnegatives.Listthepositivesandnegativesofyourchoices.Whenheknowsthosepositivesandnegativeshecanfindawaytomaximizethepositivesandminimizethenegatives.Anyscreeningtestcanleadtofalsepositives,followedbyinvasiveandrisky...
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