Pediatrics Deficiency of Vit. C in infant is best estimated by Vit. C level in – A Plasma B Urinary excretion C Buffy coat estimation D Adrenal cortical Vit. C estimation 💡 Explanation Deficiency of Vit. C in infant is best estimated by Vit. C level in – ✓ Correct Answer: C. Buffy coat estimation