TY - GEN AU - Parkin,D AU - Rice,N AU - Sutton,M TI - Non- and semi-parametric estimation of age and time heterogeneity in repeated cross-sections: an application to self-reported morbidity and general practitioner utilization SN - 1057-9230 PY - 1999///1012 KW - Adult KW - Age Factors KW - Aged KW - Cohort Studies KW - Female KW - Health Services Needs and Demand KW - statistics & numerical data KW - Health Services Research KW - Humans KW - Least-Squares Analysis KW - Male KW - Middle Aged KW - Models, Statistical KW - Morbidity KW - Physicians, Family KW - Time Factors N1 - Publication Type: Journal Article; Research Support, Non-U.S. Gov't UR - https://doi.org/10.1002/(sici)1099-1050(199908)8:5<429::aid-hec459>3.0.co;2-i ER -