TY - GEN AU - Sato,M TI - [Unexpected difficulty in labor: my experience in delivery] SN - 0047-1836 PY - 1986///0808 KW - Adult KW - Delivery, Obstetric KW - Female KW - Humans KW - Obstetric Labor Complications KW - Pregnancy N1 - Publication Type: Case Reports; Journal Article ER -