Born-Digital or AnalogAnalogTranscriptPoliomyelitis Vaccine troubles not new; Pasteur to Salk. Post My 12, 1955 P.3 Parke-Davis vaccine safe. Post My 13, 1955 P 1 2 parents get polio; link to shots seen. Post My 15, 1955 p.1*20A Polio halts tonsil and adenoid surgery. RMN Je 1, 1955 p.21 Scientist blasts test methods as check uncovers live virus in Cutter vaccine. Post Je 5, 1955 P.1 Utah scientist explains how he isolated virus. Postjjg 5, 1955 P 5AACollectionWestern History Subject IndexRelated MaterialWestern History Subject Index AbbreviationsType of MaterialIndex CardLanguageeng
