A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2018; you can also visit the original URL.
The file type is
A fluid flowing from the trachea of fetal lambs was collected and its surface active components were concentrated by foaming. The foam showed a greater concentration of active phospholipids and a greater surface stability than did the crude lung fluid. The residuum after foaming had less phospholipids and less surface stability than the crude lung fluid.doi:10.1620/tjem.84.250 fatcat:nrvjhqq7hfa4rnczzdns4dfkum