Wrong statement is:
D i.e. Koilonychia in megaloblastic anemia (B12 def)
Mees line in Arsenic poisoning
Pterygium of nails in Lichen Planus
Oncholysis in Psoriasis
Koilonychia in Megaloblastic Anemia (B12 def.)
Koilonychia in Megaloblastic Anemia (B12 def.)