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S0007114517002422
S0007114517002422
http://dx.doi.org/10.1017/S0007114517002422
Prevalence of vitamin D deficiency and insufficiency among schoolchildren in Greece: the role of sex, degree of urbanisation and seasonality.
P356
Q47623973-956B8E06-E989-4965-80A3-9B4DF7B2CD3F
P356
S0007114517002422
http://dx.doi.org/10.1017/S0007114517002422