@article{Yoshitaka NAKAI2019, title={Vitamin K deficiency caused by nutritional malabsorption accompanying afferent loop obstruction:a case report}, author={Yoshitaka NAKAI and Mari TERAMURA and Toshihiro KUSAKA and Kentarou AOKI and Masahito KAWAMURA and Mitsuya KIKUCHI and Yoko OIWA and Hidemasa AZECHI and Dai MANAKA and Hiroyuki KOKURYU}, journal={Nippon Shokakibyo Gakkai Zasshi}, volume={116}, number={12}, pages={1022-1029}, year={2019}, doi={10.11405/nisshoshi.116.1022} }