rickettsiosis; Rickettsia prowazekii, recrudescent [Brill-Zinsser]
rickettsiosis; rickettsia prowazekii, recrudescent [brill-zinsser]
rickettsiosis; Rickettsia prowazekii, recrudescent [Brill-Zinsser]
rickettsiosis; rickettsia prowazekii, recrudescent [brill-zinsser]