General Science Danton Se Khoon Ka girna Kis Vitamin Ki Kami Ke Karan Hota Hai ?

दाँतों से खून का गिरना किस विटामिन की कमी के कारण होता है ? - The loss of blood from the teeth is due to the deficiency of which vitamin? - Danton Se Khoon Ka girna Kis Vitamin Ki Kami Ke Karan Hota Hai ? General Science in hindi,  Biology Vitamin B question answers in hindi pdf  Vitamin Si questions in hindi, Know About Vitamin Ai General Science online test General Science notes in hindi quiz book    Vitamin D