This is a preview. Log in through your library . Abstract In 'experience-weighted attraction' (EWA) learning, strategies have attractions that reflect initial predispositions, are updated based on ...

CERTAIN strains of non-hæmolytic streptococci, isolated in our laboratory from blood cultures of cases of subacute bacterial endocarditis and from otitis media, were found to require for their growth ...

This database originally covered cases from 1982 to 2012 and has since been updated and expanded numerous times. For analysis and context on this data—including how we built the database, and a change ...