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Abdominal distension
Abdominal wall pain
Abducens nerve palsy
Acid phosphatase, increased
Acneiform lesions
Acroosteolysis
Acute aortic regurgitation
Acute back pain
Acute cough
Acute lung syndrome
Acute vision loss
Acute watery diarrhea
Akathisia
Alanine aminotransferase, increased
Aldolase, increased
Alpha-fetoprotein, increased
Alveolar hemorrhage
Amylase, increased
Angioedema
Angiotensin converting enzyme, increased
Anisocoria
Anorgasmia
Anti-histone antibodies
Anti-neutrophil cytoplasmic antibodies
Anti-nuclear antibodies, positive
Apical cardiac impulse, sustained
Arachnodactyly
Ascites
Aspartate aminotransferase, increased
Asterixis
Ataxia
Axillary lymphadenopathy