Etiology The etiology is unknown but is believed to be autoimmune in nature.
The etiology is unknown in the majority of cases.
In most cases the precise microbial etiology is unknown and antibiotics are administered empirically in illness requiring hospitalization2, 3.
The etiology is unknown, and it primarily affects women of reproductive age.
The manifestation of SLL, which usually only affects one limb, is unpredictable and the etiology is unknown.
Although a subset of patients have well-characterized genetic mutation(s), in the majority of cases, the etiology is unknown.
Although many genes involved in ID have been identified, the etiology is unknown in most affected individuals.
Although the etiology is unknown, primary osteoarthritis is associated with decreased water-retaining capacity in the cartilage, analogous to a dried-up rubber band that can easily fall apart.
While the etiology is unknown, poor placentation due to aberrant signaling of growth and angiogenic factors has been postulated as a causal factor of PE.
Although its etiology is unknown, several studies have demonstrated that the physiopathology of the disease shows numerous connections with lipoprotein metabolism.
Its etiology is unknown, and metastatic disease kills the majority of patients who have it.
