Safety verification for polysorbate 20, pharmaceutical excipient for intramuscular administration, in Sprague-Dawley rats and New Zealand White rabbits. - Kim, Junhyung; Kwak, Seongsung; Park, Mi-Sun; Rhee, Chang-Hoon; Yang, Gi-Hyeok; Lee, Jangmi; Son, Woo-Chan; Kang, Won-ho (PLoS ONE, 2021)