TY - JOUR AU - Steffen, Robert T1 - Immunization of Peacekeeping Forces T2 - Emerging Infectious Disease journal PY - 1999 VL - 5 IS - 3 SP - 485 SN - 1080-6059 AB - KW - Switzerland DO - 10.3201/eid0503.990331 UR - https://wwwnc.cdc.gov/eid/article/5/3/99-0331_article ER - End of Reference