Authors:
ZHANG J
YU JJ
ZHANG RZ
ZHANG XL
ZHOU J
WING JS
SCHNUR A
WANG KA
Citation: J. Zhang et al., COSTS OF POLIO IMMUNIZATION DAYS IN CHINA - IMPLICATIONS FOR MASS IMMUNIZATION CAMPAIGN STRATEGIES, The International journal of health planning and management, 13(1), 1998, pp. 5-25
Citation: Js. Wing et al., HOSPITALIZATIONS FOR ASTHMA AT A MAJOR PUBLIC HOSPITAL IN METROPOLITAN ATLANTA, GA, The American review of respiratory disease, 147(4), 1993, pp. 377-377