TY - GEN AU - Langer,A AU - Bobadilla,J L TI - [Evaluation of literature published about research on perinatal health carried out in Mexico, 1980-1988] SN - 0539-6115 PY - 1990///0808 KW - Evaluation Studies as Topic KW - Humans KW - Mexico KW - Perinatology KW - Publishing KW - Research N1 - Publication Type: English Abstract; Journal Article ER -