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Salicylate
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Salivary Cortisol
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Schistosoma serology
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Schistosoma species
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Scl70 antibody
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Scleroderma Screen
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Screens (Multi Resistant Gram Negative bacilli)
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Screens (Staph carrier)
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Selenium
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Septicaemia - see blood cultures
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Serum Tryptase
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Sex hormone binding globulin
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Sickle Cell Screen
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Skin Antibody
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Skin Biopsy
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Skin scraping - see mycology for details
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Slapped cheek - see parvovirus
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Sm antibody
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Smooth Muscle antibody
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Sodium
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Specific IgE
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Sputum/respiratory samples (routine)
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Steroid Metabolites
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Streptococcal serology - see ASO titre
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Streptococcus pneumoniae urinary antigen
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Streptomycin assay
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Striated Muscle
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Strongyoloides serology
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SUDI/C
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Sulphonylureas
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Swabs - skin, superficial wounds
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Sweat chloride
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Syphilis (treponemal) serology