This is a preview. Log in through your library . Journal Information The American Journal of Nursing (AJN) is the oldest and largest circulating nursing journal in the world. The Journal's mission is ...
A major transformation in vertebrate evolution took place when breathing shifted from being driven by head and throat muscles -- like in fish and frogs -- to the torso -- like in reptiles and mammals.
Some results have been hidden because they may be inaccessible to you
Show inaccessible results