[Concerning the article by N.A. Kravchenko: "On the problem of the status of the bacteriological diagnosis of diphtheria in our country"].
D004165:Diphtheria / Q000175:diagnosis*; D006801:Humans
Po povodu stat'i N. A. Kravchenko "K voprosu o sostoianii bakteriologicheskoĭ diagnostiki difterii v nashcĭ strane".