TY - GEN AU - Caillet,Pascal AU - Schott,Anne-Marie TI - Vitamin D testing SN - 1474-547X PY - 2012///0521 KW - Humans KW - Vitamin D KW - analogs & derivatives KW - Vitamin D Deficiency KW - diagnosis N1 - Publication Type: Letter; Comment UR - https://doi.org/10.1016/S0140-6736(12)60710-7 ER -