About: http://webisa.webdatacommons.org/286092911

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	Referring to the drawings and particularly to FIGS. 1 through 8, one form of the apparatus of the present invention for determining the period of maximum fertility in women is there shown and generally identified by the numeral 20.
http://www.w3.org/ns/prov#wasQuotedFrom	google.ca