Licochalcone A, a new antimalarial agent, inhibits in vitro growth of the human malaria parasite Plasmodium falciparum and protects mice from P. yoelii infection - Chen, M; Theander, T G; Christensen, S B; Hviid, L; Zhai, L; Kharazmi, A (Antimicrob Agents Chemother, 1994)