TY - GEN AU - SCHLEGEL,J U TI - Seasonal variations in the choline content of human serum SN - 0037-9727 PY - 2007///1227 KW - Choline KW - analogs & derivatives KW - Humans KW - Seasons KW - Serum N1 - Publication Type: Journal Article UR - https://doi.org/10.3181/00379727-70-17037 ER -