Fig. 4From: Slow-release praziquantel for dogs: presentation of a new formulation for echinococcosis controlChange over time of R-PZQ, S-PZQ and racemic PZQ concentration in dog plasma after the administration of 100Â mg/kg of the new slow-release formulation. Plasma samples taken after 2Â h and at day 3, 10, 20, 30, 40, 50, 60, 90, 120 and 180Back to article page