[THE FOCUS OF INFECTION AND PREVENTION OF RHEUMATIC FEVER].
D035843:Biomedical Research; D005490:Focal Infection; D006801:Humans; D011044:Poland; D012213:Rheumatic Fever; D013223:Statistics as Topic
FOCAL INFECTION; POLAND; RHEUMATIC FEVER; STATISTICS
OGNISKA ZAKAZENIA A ZAPOBIEGANIE CHOROBIE REUMATYCZNEJ.