RT Journal A1 Garber FW T1 PNeumonia from contusion? is there a lung concussion? JF Journal of the American Medical Association JO Journal of the American Medical Association YR 1889 FD February 2 VO XII IS 5 SP 176 OP 177 DO 10.1001/jama.1889.02400820032009 UL http://dx.doi.org/10.1001/jama.1889.02400820032009 AB To the Editor:  —Can we have a pneumonia caused by an injury to the chest-wall, presenting the physical signs of that malady, with few, if any, of its rational or constitutional signs? If so, how can we account for the absence of its commonly attendant symptoms? These questions are suggested by a case which recently occurred in the practice of my friend, Dr, John Vander Laan, of this city, through whose courtesy I am permitted to give the following history:G. G., a Hollander, æt, 45, of good habits and excellent health, while working on a pile driver, June 23, last, fell with the tower to the ground, a distance of about eighteen feet. He struck on his feet, but losing his balance fell on his right side against a pile of lumber. He was carried home unconscious. His physician saw him about two hours after, when he had fully