[EPIDEMIOLOGY OF POLIOMYELITIS IN SPAIN. STUDY OF MORBIDITY AND MORTALITY DURING THE YEARS OF 1931-1934 AND 1940-1962].
D001699:Biometry; D004813:Epidemiology; D006801:Humans; D009017:Morbidity; D011051:Poliomyelitis; D011634:Public Health; D012106:Research; D012621:Seasons; D013030:Spain; D013223:Statistics as Topic
EPIDEMIOLOGY; POLIOMYELITIS; PUBLIC HEALTH; SEASONS; SPAIN; STATISTICS
EPIDEMIOLOG'IA DE LA POLIOMIELITIS EN ESPA NA. (ESTUDIO DE LA MORBILIDAD Y MORTALIDAD DURANTE LOS A NOS 1931-1935 Y 1940-1962)