Born-Digital or AnalogAnalogTranscriptPoliomyelitis Two cases of polio reported in Colorado. RMN Dec. 27, 1963 p.6 Mary Ellen Davis, 15 year occupant of iron lung, dies. Post J1 23, 1968 p.14 Wheat Ridge woman recovers from disease recently contracted - 1st Colorado case in 4 years. RMN N 21, 1971 p.24,50 Post N 21, 1971 p.25 Vaccination worth the risk? RMN Ja 12, 1975 p.8,19CollectionWestern History Subject IndexRelated MaterialWestern History Subject Index AbbreviationsType of MaterialIndex CardLanguageeng