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1
Published 2002
National Academy Press
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2
by Lal, Sara
Published 2021
MDPI - Multidisciplinary Digital Publishing Institute
Subjects: “...global health...”
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3
by Wu, Yanyou
Published 2023
MDPI - Multidisciplinary Digital Publishing Institute
“...The global karst distribution area is nearly 22 million km2, accounting for ca. 15% of land area...”