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There are some 40,000 indigenous peoples of the Fly River drainage in Papua New Guinea. The 4,000-mm rainfall contour ecologically demarcates hunter-horticulturalist peoples living in the rainforests of the Upper Fly from hunter-gatherer peoples living in the savanna-swamplands of the Middle and Lower Fly. A complex of factors operate to create significant(More)
The role of type IIA receptor protein tyrosine phosphatases (RPTPs), which includes LAR, RPTPσ and RPTPδ, in the nervous system is becoming increasingly recognized. Evidence supports a significant role for these RPTPs during the development of the nervous system as well as after injury, and mutations in RPTPs are associated with human disease. However, a(More)
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