ADA is good source
As rule of thumb, if there's a large society c many members, in many states, generally good source of info.
Goals & mission must be defined. Quality of info, avoiding personal agenda is screened by the society, so likely trustworthy. Examples i'm member of or use as resource: healthtap, acp, amda, ags, aafp, asap, jhh, ucsf, mssm, umdnj, harvard, nyu, mayo/cleveland clinics, faa/ame, ...