00326nam a22001337i 450000500170000000800410001704100080005810000190006624500170008565000250010265000100012765500150013777300400015220141212085839.0880124s1988    sp     gr     000 0 spa c  aeng1 aMACFARLANE, A.10aDAY OF BIRTH14aAtención perinatal14aParto 4aDocumental0 tTHE LANCETgno. 8404 (1984), p. 695