RT Article T1 Obstetrical pulmonary embolism mortality, United States, 1970-85 JF American journal of public health VO 80 IS 6 SP 720 OP 722 A1 Franks, Adele L. A2 Colberg, Karen S. A2 Lawson, Herschel W. A2 Atrash, Hani K. LA English YR 1990 UL https://krimdok.uni-tuebingen.de/Record/1912639386 DO 10.2105/AJPH.80.6.720