海量图书期刊资源，随时随地畅享阅读乐趣
THE CLINICAL USE OF RADIOLOGY IN PLACENTA PRAEVIA. A REVIEW OF 433 CASES OF ANTEPARTUM HAEMORRHAGE EXAMINED RADIOLOGICALLY (1951–1954)LINDSAY, DAVID W.; DAVIDSON, JOHN K. · Obstetrical & Gynecological Survey · 1957