title: Study of microscopic structure and mode of formation of urinary calculi.
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D002648:Child; D002675:Child, Preschool; D003460:Crystallization; D005260:Female; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D008297:Male; D008875:Middle Aged; D009088:Mucoproteins; D014545:Urinary Calculi / Q000209:etiology / Q000503:physiopathology*
chemical_list: D009088:Mucoproteins