PLoS ONE PLoS ONE, Vol 6, Iss 12, p e28588 (2011) Ravindran, R D, Vashist, P, Gupta, S K, Young, I S, Maraini, G, Camparini, M, Jayanthi, R, John, N, Fitzpatrick, K E, Chakravarthy, U, Ravilla, T D & Fletcher, A E 2011, ' Prevalence and risk factors for vitamin C deficiency in North and South India: A two centre population based study in people aged 60 years and over ', PLoS One, vol. 6, no. 12, e28588 . https://doi.org/10.1371/journal.pone.0028588
Ophthalmology Ravindran, R D, Vashist, P, Gupta, S K, Young, I S, Maraini, G, Camparini, M, Jayanthi, R, John, N, Fitzpatrick, K E, Chakravarthy, U, Ravilla, T D & Fletcher, A E 2011, ' Inverse association of vitamin C with cataract in older people in India ', Ophthalmology, vol. 118, no. 10, pp. 1958-1965.e2 . https://doi.org/10.1016/j.ophtha.2011.03.016