title: An association of keratoconus and mitral valve prolapse.
mesh_terms: D000293:Adolescent; D000328:Adult; D003094:Collagen / Q000378:metabolism; D004452:Echocardiography; D005260:Female; D006801:Humans; D007640:Keratoconus / Q000150:complications*; D008297:Male; D008875:Middle Aged; D008945:Mitral Valve Prolapse / Q000150:complications* / Q000175:diagnosis
chemical_list: D003094:Collagen