[Mean birth weight of newborn infants born between the years 1960-1969 and that of newborn infants born to smoking mothers].
D001724:Birth Weight; D005260:Female; D006801:Humans; D007231:Infant, Newborn; D008431:Maternal-Fetal Exchange; D007752:Obstetric Labor, Premature / Q000209:etiology; D011044:Poland; D011247:Pregnancy; D012907:Smoking / Q000150:complications*
Zachowanie sie średniej wartosci ciezaru ciała noworodków w latach 1960-1969 oraz waga noworodków matek palacych.