The association between body mass index, abdominal fatness, and weight change and the risk of adult asthma: a systematic review and meta-analysis of cohort studies oleh Ganeshkumar Parasuaraman, Lavanya Ayyasamy, Dagfinn Aune, Abhijit Sen, Ramya Nagarajan, Prabhu Rajkumar, Saravanakumar Velusamy, P. Manickam, Satish Sivaprakasam