Perroni, Matilda F2016-09-062016-09-0619601960b14699916https://hdl.handle.net/2144/17837Thesis (M.S.)--Boston Universityen-USBased on investigation of the BU Libraries' staff, this work is free of known copyright restrictions.A study of the factors affecting the recommended ratio of one public health nurse to 2,000 population.Thesis/Dissertation