RT null T1 Pilot Project "Reduction of Mercury Use in Costa Rican Hospitals" A1 Costa Rica, YR 2009 FD 2009 LK https://wedocs.unep.org/handle/20.500.11822/12962 UL https://wedocs.unep.org/handle/20.500.11822/12962 NO Pilot Project "Reduction of Mercury Use in Costa Rican Hospitals" NO https://www.unep.org/chemicalsandwaste/Portals/9/Mercury/Waste%20management/docs/S1_07Costa-Rica-Mercury-use-in-hospitals.pdf DS UN Environment Document Repository RD Sep 22, 2026