title: A single-dilution method for the estimation of LD50 titers of the psittacosis-LGV group of viruses in chick embryos.
mesh_terms: D000818:Animals; D002642:Chick Embryo; D002691:Chlamydophila psittaci; D007928:Lethal Dose 50; D009956:Psittacosis; D014780:Viruses
keywords: PSITTACOSIS/virus