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Home Q & A Board Biology-Related Homework Help Medicine Pharmacology (Moderator: DelightfulMind)
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marygoenner marygoenner
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6 years ago
Before beginning a medical regime that includes a retinoid, which of the following laboratory tests must be negative?
 
  A) Throat culture
  B) Skin culture
  C) Stool for occult blood
  D) Pregnancy test
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killmeplzkillmeplz
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6 years ago
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marygoenner Author
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6 years ago
Good timing, thanks!
mikey3091
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Yesterday
You make an excellent tutor!
ouasfoudgewu
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2 hours ago
Thanks for your help!!
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