User:D75070200/be bold

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Hemoglobin M disease
Bluish fingertips on a cyanotic patient
Symptoms	Cyanosis and dark brown blood
Causes	Hemoglobin M variants
Diagnostic method	Hemoglobin electrophoresis, UV spectroscopy, DNA sequencing, etc.
Treatment	No treatment is required

| name               = Hemoglobin M disease
| image              = Cyanosis-adult fingertips.PNG
| caption            = Bluish fingertips on a cyanotic patient
| Causes             = Hemoglobin M variants
| Major symptoms     = Cyanosis and dark brown blood
| Diagnostic methods = Hemoglobin electrophoresis, UV spectroscopy, DNA sequencing, etc.
| Treatment          = No treatment is required