wilks' empty cell test

Barratt method beavy chain disease electrostatic multistage intensifier tube frogspawn gas-cloud harmon-muted main transmit and receive (earth) station morimycin most-favo(u)red-nation duty nineteenth century oddcomeshortly open one's heart plasmoschisis reflators shawnda smoke-stacks speech plus duplex FMFV telegraph equipment spin factor sustained instantaneous reserve tolerance of particular plants