[NATIONAL literature on the problems of hygiene and sanitation (published during the first half of 1959)].
D002648:Child; D002669:Child Welfare; D006801:Humans; D006920:Hygiene; D007221:Industry; D009747:Nutritional Physiological Phenomena; D052756:Nutritional Sciences; D009752:Nutritional Status; D009787:Occupational Medicine; D012499:Sanitation
CHILD WELFARE; INDUSTRIAL MEDICINE/bibliography; NUTRITION/bibliography