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Calcium looping is an emerging technology for CO2 capture that makes use of the calcium oxide as a sorbent. One of its main issues is the significant energy consumption in the calciner, where the regeneration of the sorbent takes place. Nevertheless, as a high temperature looping technology, the surplus heat flows may be used to reduce the energy needs in(More)
OBJECTIVE To compare the outcome of early rheumatoid arthritis (RA) patients in a country where early clinics were established versus the outcome of patients in nonprotocolized clinics. METHODS We compared 2 multicenter cohorts: an RA cohort derived from an early arthritis registry set in 36 reference hospitals in which a specific intervention was(More)
OBJECTIVE To describe the results of different statistical ways of addressing radiographic outcome affected by missing data--multiple imputation technique, inverse probability weights and complete case analysis--using data from an observational study. METHODS A random sample of 96 RA patients was selected for a follow-up study in which radiographs of(More)
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