https://rdrr.io/r/grDevices/adjustcolor.html
adjustcolor: Adjust Colors in One or More Directions Conveniently.
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https://www.petmd.com/pet-medication/terramycin-oxytetracycline-polymyxin-b-ophthalmic-ointment
Terramycin Eye Ointment for Cats and Dogs: Directions, Possible Side Effects, and More | PetMD
Nov 8, 2025 - Terramycin® is a broad-spectrum antibiotic that treats eye infections in cats and dogs. Here's everything to know about the medication.
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