Larval stages of medically important flukes (Trematoda) from Vientiane province, laos. Part II. cercariaeO. Ditrich, V. Na¡incová, T. Scholz and M. GibodaAnn. Parasitol. Hum. Comp., 67 3 (1992) 75-81DOI: https://doi.org/10.1051/parasite/199267375