Her true love is Zhivago who also loves his wife. Lara is the one who inspires poetry. The story is narrated by Zhivago's half brother Yevgraf, who has made his career in the Soviet Army. At the beginning of the film he is about to meet a young woman he believes may be the long lost daughter of Lara and Zhivago.
Increased salivary flow rate contributes to the increased level of pH in the mouth by the physical cleansing of the saliva and can increase the level of bicarbonate concentration. These factors contribute to enhanced remineralization throughout the day.
If a saliva sample is tested in a lab, the detection level can be as low as 0.5 ng/mL (up to 72 hours after intake) and if an onsite instant saliva drug test is used, the cut off level is generally 50 ng/mL (up to 12 hours after intake).