title: Malignant forms of Mediterranean spotted fever: risk factors for fatal outcomes.
authors.affiliation: Medical University, Faculty of Medicine, Department of Infectious Diseases, Parasitology and Tropical Medicine, Plovdiv, Bulgaria. Electronic address: ivan_balt@yahoo.com.
authors.forename: Ivan
authors.initials: I
authors.lastname: Baltadzhiev
authors.affiliation: Medical University, Faculty of Medicine, Department of Infectious Diseases, Parasitology and Tropical Medicine, Plovdiv, Bulgaria.
authors.forename: Nedialka
authors.initials: N
authors.lastname: Popivanova
authors.affiliation: Medical University, Faculty of Medicine, Department of Clinical Pathology, Plovdiv, Bulgaria.
authors.forename: Zaprian
authors.initials: Z
authors.lastname: Zaprianov
mesh_terms: D000328:Adult; D001907:Boutonneuse Fever / Q000150:complications* / Q000401:mortality*; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D011379:Prognosis; D012307:Risk Factors; D012720:Severity of Illness Index