TABLE 3.
Demographic Characteristics and Respiratory Virus Distribution Determined by a Combination of PCR/ESI-MS and Virus Isolation in Patients With Upper and Lower Respiratory Tract Infections (RTIs) and Factors Associated With Lower RTIs

Demographic Characteristics and Respiratory Virus Distribution Determined by a Combination of PCR/ESI-MS and Virus Isolation in Patients With Upper and Lower Respiratory Tract Infections (RTIs) and Factors Associated With Lower RTIs
