urine microalbumin mass rate, detection limit <= 20 mg/L, per minute excretion rate in 24 hour sample
urine microalbumin mass rate, detection limit <= 20 mg/l, per minute excretion rate in 24 hour sample
urine microalbumin mass rate, detection limit <= 20 mg/L, per minute excretion rate in 24 hour sample (lab test)
urine microalbumin mass rate, detection limit <= 20 mg/l, per minute excretion rate in 24 hour sample (lab test)