How many liters of O2 is really safe with COPD? - Who Posted?

Who Liked? in How many liters of O2 is really safe with COPD? (6 Likes)

nursenotamaid 141 Likes
flyingchange 388 Likes
maelstrom143 492 Likes
Sugar Magnolia 9 Likes
Forever Sunshine 1,574 Likes
ktwlpn 1,894 Likes