title: A priori and a posteriori knowledge in medicine.
mesh_terms: D000818:Animals; D004285:Dogs; D006801:Humans; D007384:Intermittent Positive-Pressure Breathing / Q000379:methods*; D008171:Lung Diseases / Q000628:therapy; D008176:Lung Volume Measurements; D011175:Positive-Pressure Respiration / Q000379:methods*