Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) IKEMATSU Hideyuki and NABESHIMA Atsuko and YAMAJI Kouzaburo and CHONG Yong and LI Wen and HAYASHI Jun and GOTO Shuro and OKA Tetsuya and SHIRAI Takeshi and KASHIWAGI Seizaburo,Efficacy of Influenza Vaccine among Geriatric Inpatients,Kansenshogaku Zasshi,03875911,The Japanese Association for Infectious Diseases,1999,73,10,1042-1047,https://cir.nii.ac.jp/crid/1390001205050377344,https://doi.org/10.11150/kansenshogakuzasshi1970.73.1042