key words	Vol. No.	page		report
Yearly transition	Vol.86 No.05	547-552	Kozo MORIMOTO et al.	NONTUBERCULOUS  MYCOBACTERIOSIS  MORTALITY  IN  JAPAN
Yemen	Vol.85 No.3	158-162,	Hamood Yahya MAHYIUOB AL-HONAHI  et al.	A Trial to Mobilize NGO Health Volunteers to Improve Tuberculosis Patient Care in SANA'A City, YEMEN
Young adult	Vol.77 No.11	729-733	Yuko ITO et al.	A Case of Multidrug-Resistant Tuberculosis (MDR-TB) in Young Female Complicated with Acute Respiratory Distress Syndrome and Developing Multiple Giant Cysts and Pneumothorax in Both Lung
Young adult	Vol.87 No.12	757-763	Makoto TOYOTA	EVALUATION OF TUBERCULOSIS TRANSMISSION ROUTES IN AN OUTBREAK AMONG YOUNG ADULTS FOR DEVELOPING AN EFFECTIVE METHOD FOR CONTACT  INVESTIGATIONS
Young adult tuberculosis	Vol.78 No.08	525-531	Hideki YOTUSMOTO et al.	A Clinical Study on Tuberculosis among Young Adults in Japan:Analysis on Patients Admitted to National Hospitals in Kanto- and Kinki-Areas in the Year 2000
Young people	Vol.82 No.10	749-757	Setsuko KINOSHITA et al.	Outbreaks of Tuberculosis in Facilities Used by an Unspecified Number of People near a Train Station-Problems Regarding Tuberculosis in Urban Areas-
Younger group	Vol.75 No.04	349-353	Makoto TAKAHARA et al.	A Clinical Study on Pulmonary Tuberculosis in Younger Age Groups