TY - RPRT TI - Plasma free, phospholipid-bound and urinary free choline all decrease during a marathon run and may be associated with impaired performance. AU - A L Buchman AU - D Jenden AU - M Roch PY - 1999 DO - 10.1080/07315724.1999.10718894 UR - https://pubmed.ncbi.nlm.nih.gov/10613411/ ID - 10613411 ER -