Where can I find - Oxford textbook of medicine

There it is again. Down this gorge, to the listening pioneer, now came a confused and trampling sound. And what should a troop of horse do here, beyond the frontier, where even the rangers never come. The trumpet blew again, and the entire party, drawing rein, stared at the unexpected maize field, the cabin, and the people about the door. Between the intruders and the lonely folk, whose nearest neighbors oxford textbook of medicine twenty miles away, was only a strip of sunny grass, dotted over with the stumps of trees that had been felled lest they afford cover for oxford textbook of medicine savages. We need another axeman to clear away the fallen trees and break the nets of grapevine.