<prompt> Translate the following text to EnglishUtafiti unahitajika juu ya mikakati ya kuelekeza kwa wagonjwa wenye ulemavu mkubwa, wasiojibu, kuwasaidia kupata ufikiaji wa rasilimali zilizopo katika jamii zao.  <response>: 4. Research is needed on referral strategies for more severely impaired, non-responsive patients, to assist them in gaining access to resources already available in their communities. 