preferred_name: Low levels of serum Mg(2+) in the absence of other electrolyte disturbances
preferred_name_lc: low levels of serum mg(2+) in the absence of other electrolyte disturbances
label: Low levels of serum Mg(2+) in the absence of other electrolyte disturbances
label_lc: low levels of serum mg(2+) in the absence of other electrolyte disturbances