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(1997) reported that PD patients who received long-term levodopa treatment had elevated plasma bilirubin levels, showing a protective effect, whereas in most studies, treatment of PD patients was not recorded, making it impossible to adjust for drug effects, thus leading to bias in cross-sectional comparisons (Songsomboon et al., 2020)

This typically means walk-in customers face extended wait times

we treat people whose conditions rarely fit neat categories

therefore, investigators focused on the development and safety assessment of biotherapeutics should make greater efforts to minimize patient risk, which is closely related to immunogenic potential