TY - GEN AU - LEROUX,M AU - MARCELON,R TI - [Dystocia caused by the binding together of the heads of twins] SN - 0046-3515 PY - 2003///0501 KW - Dystocia KW - etiology KW - Female KW - Head KW - Humans KW - Pregnancy KW - Twins N1 - Publication Type: Journal Article ER -