Symptoms of vitamin b7 deficiency are known to ______________.
A. Pellagra
B. Hair loss
C. Muscle weakness D. Xerophthalmia
Symptoms of vitamin b7 deficiency are known to ______________. | Hair loss | CSS, PMS, PPSC, FPSC, KPPSC, SPSC, ISSB and NTS Past Papers | Pakistan's Largest Online Past Papers Database