Serum Concentrations of α-Carotene, β-Carotene, Lycopene, and Retinol-Binding Protein in Human Subjects

Yoshinori Ito, Minae Minohara, Naomichi Ogitsu, Yasuhiro Kusuhara, Ryuichiro Sasaki, Motohiko Otani, Madoka Ito, Kunio Aoki