[Immediate catamnesis of children sustaining pneumonia during the 1st year of life].

@article{Usrkov1968ImmediateCO,
  title={[Immediate catamnesis of children sustaining pneumonia during the 1st year of life].},
  author={V D Usrkov and Natalia Shilkina},
  journal={Pediatriia},
  year={1968},
  volume={7},
  pages={24-6}
}