Observability is a fundamental structural property of any dynamic system and describes the possibility reconstructing state that characterizes from fusing observations its inputs outputs. Despite effort made to study this introduce analytical criteria capable verifying whether or not satisfies property, there no general criterion obtain observability when dynamics are also driven by unknown inp...

OBJECTIVE to analyze the presence and extent of Primary Health Care attributes and the strength of affiliation of children under one year old in a Family Health Unit. METHOD cross-sectional, descriptive study conducted between October 25, 2010 and May 14, 2011 with 44 mothers, using the Primary Care Assessment Tool to collect data. Data were analyzed by calculating the Essential Primary Healt...