Efficacy and safety of a modified combination regimen of phenothrin and ivermectin lotion in patients with head lice in Tsukuba, Japan oleh Eiji Sato, Masakazu Umezawa, Atsushi Miyajima, Noriko Koishi, Arisa Kanaya, Ayumi Yamanaka, Manabu Fujimoto, Yoshiyuki Ishii, Aki Saito, Sae Inoue, Yasunari Mano, Tatsunori Suzuki, Rie Ozeki, Norihisa Ishii, Masayo Komoda