01342nas 2200409- 450 99645374900331620230127213019.0(DE-599)ZDB3067640-X(OCoLC)1242062062(CKB)5590000000473945(CONSER)--2021201451(EXLCZ)99559000000047394520210317a20159999 --- aengur|||||||||||txtrdacontentcrdamediacrrdacarrierObservational studies[Place of publication not identified] :Dylan Small,2015-Philadelphia, PA :University of Pennsylvania Press"Observational Studies is an Institute of Mathematical Statistics Affiliated Journal."2767-3324 OBSObs. stud.Observation (Scientific method)PeriodicalsObservation (Scientific method)fast(OCoLC)fst01042950Periodicals.fastObservation (Scientific method)Observation (Scientific method)500University of Pennsylvania.Press,Institute of Mathematical Statistics.JOURNAL996453749003316Observational studies2571801UNISA