FIG. 1 is a perspective view of an anterior retractor according to the present ornamental design.
FIG. 2 is a first end plan view of the anterior retractor shown in FIG. 1.
FIG. 3 is a top view of the anterior retractor shown in FIG. 1.
FIG. 4 is a side view of the anterior retractor shown in FIG. 1; and,
FIG. 5 is a second end plan view of the anterior retractor shown in FIG. 1.
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