TY - GEN AU - Arbelo Curbelo,A TI - [Definition problems in our sanitary demography (author's transl)] SN - 0302-4342 PY - 1975///0127 KW - Abortion, Spontaneous KW - Demography KW - Female KW - Fetal Death KW - Humans KW - Illegitimacy KW - Infant Mortality KW - Infant, Newborn KW - Male KW - Pregnancy KW - Spain KW - Terminology as Topic KW - World Health Organization N1 - Publication Type: English Abstract; Journal Article ER -