Authors: Frerichs, RR Shaheen, MA

Citation: Rr. Frerichs et Ma. Shaheen, Small-community-based surveys, ANN R PUB H, 22, 2001, pp. 231-247

Authors: Shaheen, MA Frerichs, RR Alexopoulos, N Rainey, JJ

Citation: Ma. Shaheen et al., Immunization coverage among predominantly Hispanic children, aged 2-3 years, in central Los Angeles, ANN EPIDEMI, 10(3), 2000, pp. 160-168