Optimization of polymerase chain reaction for detection of live and dead probiotic lactobacillus cells / S. Trachtová, A. Španová, B. Rittich. Pediatria. International probiotic conference : probiotics for the 3rd millennium : june 4th-7th 2008 Hotel Bellevue High Tatras Slovakia Roč. 3, č. S3, suplement - abstrakty (2008), s. 55 S - 56 S