MITRAL VALVOTOMY IN RELATION TO PREGNANCY.
D006348:Cardiac Surgical Procedures; D005260:Female; D006351:Heart Valves; D006801:Humans; D008943:Mitral Valve; D011247:Pregnancy; D013223:Statistics as Topic; D013903:Thoracic Surgery
HEART SURGERY; MITRAL VALVE; PREGNANCY; STATISTICS