[51] isolated bronchial tissue from patients with and without COPD, isolated and cultured goblet cells and promoted their differentiation and found that SAM-pointed domain-containing ETS transcription factor (SPDEF) and forkhead box protein A2 (FOXA2) had abnormal DNA methylation during goblet cell differentiation
Although convenience sampling may introduce bias, participants were recruited through both online and in-person channels in academic institutions and community settings, which allowed the inclusion of individuals from different age groups, educational levels, occupations, and residential areas, thereby enhancing sample diversity despite the absence of formal stratification or quotas
Indonesias cigarette tax laws are unique, complicated, and designed with the small-time producer in mind
Some research suggests that nicotine may negatively affect muscle growth.However, there is other evidence that indicates it could help with athletic performance
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