They drifted into a collateral realm of undead commerce. Here, the market tables were crowded with hemostatic forceps, surgical scissors, vascular clamps, resistant heat-sealed plastic gloves from the long-vanished heyday of AIDS. Greta pored, transfixed, over the bone screws, absorption spears, ultracheap South Chinese magnifier spectacles, little poptop canisters of sterile silicone grease.