Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) HAYASHI Yoshimitsu and SUZUKI Kanzo and TONEGAWA Ken,Studies of Influenza Vaccination Among Elderly Nursing Home Residents,Kansenshogaku Zasshi,03875911,The Japanese Association for Infectious Diseases,2007,81,4,408-413,https://cir.nii.ac.jp/crid/1390282680028220800,https://doi.org/10.11150/kansenshogakuzasshi1970.81.408