%0 Journal Article %K Communicable Diseases %K Data Collection %K Humans %K Nigeria %K Prevalence %B The West African medical journal %D 1962 %G eng %L COLLARD1962 %P 3-31 %T A sample survey to estimate the prevalence of certain communicable diseases in Katsina province, Nigeria. %V 11 %1 http://www.ncbi.nlm.nih.gov/pubmed/13880518?dopt=Abstract %8 1962 Feb