These spiders may be itsy bitsy, but they can cause some serious damage. Learn all about the bites of the black widow and brown recluse spiders, including symptoms, appearance, and treatment: www.merckmanuals.com/home/inj...
About The Merck Manuals:
First published in 1899 as a small reference book for physicians and pharmacists, The Merck Manual grew in size and scope to become one of the world's most widely used comprehensive medical resources for professionals and consumers. As The Manual evolved, it continually expanded the reach and depth of its offerings to reflect the mission of providing the best medical information to a wide cross-section of users, including medical professionals and students, veterinarians and veterinary students, and consumers.
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