Fig. 2From: Reuse of shipping materials in the intravitreal bevacizumab supply chain: feasibility, cost, and environmental impactReused cold pack (A) after two shipments, and (B) after four shipments, with visible signs of wear and tear (red circles), warranting replacement. Kaplan-Meier plot (C) demonstrates the survival probability of a single cold pack versus roundtrip number. Censoring is indicated by black circlesBack to article page