title: Mitral valve prolapse, spontaneous pneumothorax, and abnormal lung collagen.
mesh_terms: D003094:Collagen / Q000378:metabolism*; D006801:Humans; D008168:Lung / Q000378:metabolism*; D008945:Mitral Valve Prolapse / Q000150:complications*; D011030:Pneumothorax / Q000150:complications* / Q000378:metabolism
chemical_list: D003094:Collagen