https://my.clevelandclinic.org/health/symptoms/22140-koilonychia-spoon-nails
Koilonychia (Spoon Nails): What It Is, Causes & Treatment
Koilonychia is indented nails or spoon nails. Iron deficiency often causes this condition. You may also have spoon nails if you have lupus, heart disease or...
what it isspoonnailscausestreatment