TY  - GEN
AU  - Hoshaw-Woodward, Stacy.
ED  - World Health Organization.  Department of Vaccines and Biologicals.
TI  - Description and comparison of the methods of cluster sampling and lot quality assurance sampling to assess immunization coverage
SN  - WHO/V&B/01.26
PY  - 2001///
CY  - Geneva : 
PB  - World_Health_Organization
KW  - Immunization programs
KW  - Cluster analysis
KW  - Methods
KW  - Sampling studies
ER  -