[Determination of peak expiratory flow in younger school children in the Płock Region].
D000367:Age Factors; D001827:Body Height; D002648:Child; D005260:Female; D006801:Humans; D008297:Male; D011044:Poland; D012119:Respiration; D012424:Rural Population; D013147:Spirometry; D014505:Urban Population
Badania szczytowego przepływu wydechowego u młodszych dzieci szkolnych z Płocka i okolicy