[Clinical observation on 12 cases of atrial septal defect in the aged].

@article{Ota1968ClinicalOO,
  title={[Clinical observation on 12 cases of atrial septal defect in the aged].},
  author={Akiko Ota and Hedenobu Watanabe and Taiju Watanabe and Hirotsugu Fukuda},
  journal={Nihon rinsho. Japanese journal of clinical medicine},
  year={1968},
  volume={26 10},
  pages={2397-404}
}