PREMATURITY: SOCIO-ECONOMIC AND NUTRITIONAL FACTORS.
D004467:Economics; D005260:Female; D006801:Humans; D007231:Infant, Newborn; D007234:Infant, Premature; D009747:Nutritional Physiological Phenomena; D052756:Nutritional Sciences; D009752:Nutritional Status; D011247:Pregnancy
ECONOMICS; INFANT, PREMATURE; NUTRITION; PREGNANCY