CARDIAC DISEASE IN PREGNANCY AND LABOR

W. REYNOLDS WILSON
1899 Journal of the American Medical Association (JAMA)  
scold the patient for not breathing through the nose, but on the contrary, we know that in these cases there is an obstruction in the nares, postnasal or pharyngeal spaces that forces one to breathe through the mouth instead of through the proper channel-the nose.
doi:10.1001/jama.1899.92450480019002j fatcat:7pixszt3c5aipht3br3ax6lahi