About: http://webisa.webdatacommons.org/272927010

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	The discovery of tissue culture methods for viral and bacterial propagation in vitro during the period from 1930 to 1950 was a technical advance that enabled the development of vaccines against many viruses including measles and polio.
http://www.w3.org/ns/prov#wasQuotedFrom	hindawi.com