[AIR-BORNE POLLEN IN THE CITY OF TLAXCALA, TLAX].
D000397:Air Pollution; D000485:Allergens; D001699:Biometry; D006801:Humans; D008800:Mexico; D011058:Pollen; D013223:Statistics as Topic
D000485:Allergens
AIR POLLUTION; MEXICO; POLLEN; STATISTICS
P'OLENES ATMOSF'ERICOS DE LA CIUDAD DE TLAXCLA, TLAX.