3Song ZL.Magnesium sulfate combined with small dose of aspirin clinical effects of hypertensive disorder complicating pregnancy[J].Chin Med Guide Treat,2013,11(8):99-100.
4Song NN.Magnesium sulfate combined with nifedipine in the treatment of pregnancy induced hypertension:clinical observation of 76 cases[J].Chin Guide Chin Med,2012,10(9):475-476.