About HASEGAWA Masaru
About Graduate Univ. Advanced Studies, Kanagawa, JPN
About ARAI Emi
About Graduate Univ. Advanced Studies, Kanagawa, JPN
About SATO Megumi
About Nihon Univ. School of Denstry, Tokyo, JPN
About SAKAI Hidetsugu
About Nihon Univ. School of Denstry, Tokyo, JPN
About Zoological Science
About Hirundinidae
About plasma concentration
About courtship behavior
About maleness
About mating
About interaction
About brooding of egg
About phenotypic expression
About Heredity
About steroid
About enone
About alicyclic alcohol
About alicyclic ketone
About social interaction
About Autecology
About Testosterone
About 燕
About 血漿
About テストステロン
About 抱卵
About 交配
About 装飾
About 求愛
About 発現