@article{oai:hama-med.repo.nii.ac.jp:00000087, author = {寺尾, 俊彦}, issue = {Supplement}, journal = {日本産科婦人科學會雜誌, Acta Obstetrica et Gynaecologica Japonica}, month = {Feb}, title = {早産の予防}, volume = {48}, year = {1996} }