[Family fertility: from the present day and prospectives].
D003710:Demography; D019049:Developed Countries; D005060:Europe; D005061:Europe, Eastern; D005298:Fertility; D011044:Poland; D011153:Population; D011154:Population Characteristics; D011157:Population Dynamics
Demographic Factors; Developed Countries; Eastern Europe; Europe; Fertility; Poland; Population; Population Characteristics; Population Dynamics
Dzietnosc rodzin--stan dotychczasowy i perspektywy