<http://webisa.webdatacommons.org/prov/495077842>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/242602446> .
<http://webisa.webdatacommons.org/242602446>	<http://www.w3.org/ns/prov#value>	"In Chapter one, he describes the difficulty of getting an accurate pH reading of the body by measuring the pH of urine, saliva, or other body fluids." .
<http://webisa.webdatacommons.org/242602446>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<kriscarr.com> .
<http://webisa.webdatacommons.org/242602446>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .