Postal envelop shaped crystals in the urine are the features of poisoning from
A. Carbolic acid
B. Oxalic acid
C. Nitric acid
D. Sulphuric acid
Answer:B
Postal envelop shaped crystals in the urine are the features of poisoning from
A. Carbolic acid B. Oxalic acid C. Nitric acid D. Sulphuric acid