TY - JOUR AN - 013723504 PY - 1953/01/01 TI - Gravimetric estimation of choline and the lecithin, sphingomyelin and cephalin content of hen eggs and egg powders JO - Mitt. Geb. Lebensmittel. Hyg VL - 44 SP - 333 EP - 347 UR - https://eurekamag.com/research/013/723/013723504.php ER -