TY - BOOK AU - Siziya, Seter TI - Comparison of protection afforded by single Measles vaccination and late revaccination schedules T2 - East Africa Medical Journal. Vol.74.No.12 AV - PAPERS/STAFF PY - 1997/// CY - Lusaka PB - University of Zambia, School of Medicine KW - MEASLES VACCINATION--ZIMBABWE N1 - Bibliography ER -