https://padlet.com/khadijegholami/av09vcrnpfkn Semester 2 MBBS en-us 2018-06-18 05:49:00 UTC 2019-10-22 14:18:07 UTC hello@padlet.com https://padlet.com/khadijegholami/av09vcrnpfkn/wish/359865361 why does the ratio decrease in the left lung when patient is positioned on his left?]]> 2019-05-14 12:40:45 UTC https://padlet.com/khadijegholami/av09vcrnpfkn/wish/359865361