TY - GEN AU - Matusiak,J AU - Karwan-Płońska,A AU - Gerkowicz,J TI - [Prematurity and its role in infant mortality] SN - 0017-0011 PY - 1980///1125 KW - Apgar Score KW - Humans KW - Infant Mortality KW - Infant, Low Birth Weight KW - Infant, Newborn KW - Infant, Premature KW - Infant, Premature, Diseases KW - mortality N1 - Publication Type: Comparative Study; English Abstract; Journal Article ER -