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Prevalence of SARS-CoV-2 infection in general practitioners and nurses in primary care and nursing homes in the Healthcare Area of León and associated factors
Prevalence of SARS-CoV-2 infection in general practitioners and nurses in primary care and nursing homes in the Health Area of León and associated factors
Methods of Assessing the Physical Fitness of Children: A Study of Certain Methods Based on Anthropometric, Clinical, and Socioeconomic Observations Made of 713 7-year Old White Boys and Girls in New Haven, Conn., Over a Period of 19 Or 20 Months During 1934-36. 1939-1940