Marmol, 1969, History of the maternal mortality study committees in the United States, Obstet Gynecol, 34, 123
Committee on Maternal and Child Care of the Council on Medical Services. A guide for maternal death studies; American Medical Association.
1979, International classification of diseases, vol 1, 527
Daniel, 1974, 368
Mausner, 1974, 136
Rochat, 1986, The magnitude of maternal mortality: definitions and methods of measurement, 201
Ziskin, 1979, Improved surveillance of maternal deaths, Int J Gynaecol Obstet, 16, 281, 10.1002/j.1879-3479.1979.tb00445.x
Speckhard, 1985, Intensive surveillance of pregnancy-related deaths, Puerto Rico, 1978-1979, Bol Asoc Med PR, 77, 508
Rubin, 1981, The risk of childbearing re-evaluated, Am J Public Health, 71, 712, 10.2105/AJPH.71.7.712
Schaffner, 1977, Maternal mortality in Michigan: an epidemiologic analysis, 1950-1971, Am J Public Health, 67, 821, 10.2105/AJPH.67.9.821
1985, Maternal mortality: pilot surveillance in seven states, MMWR, 34, 709
Rochat, 1981, Maternal mortality in the United States of America, World Health Stat, 34, 2
Smith, 1984, An As sessment of the incidence of maternal mortality in the US, Am J Public Health, 74, 780, 10.2105/AJPH.74.8.780
Fermo, 1985, Recent trends in pregnancy among teenagers in Oklahoma, J Okla State Med Assoc, 78, 169
Buehler, 1986, Maternal mortality in women aged 35 years or older: United States, JAMA, 255, 53, 10.1001/jama.1986.03370010059025
Forman, 1986, Overweight adults in the United States: the behavorial risk factor surveys, Am J Clin Nutr, 49, 410, 10.1093/ajcn/44.3.410
Crosby, 1965, Hemorrhage as a cause of maternal mortality in Oklahoma, J Okla State Med Assoc, 58, 490
Jimerson, 1978, Maternal mortality in Oklahoma: hemorrhage remains a problem, Okla State Med Assoc, 71, 197
Jennings, 1984, Preeclampsiaeclampsia: the number one cause of maternal death in Oklahoma, J Okla State Med Assoc, 77, 107
Tyler, 1968, Maternal health and socioeconomic status of nonreservation Indians, Public Health Rep, 83, 465, 10.2307/4593327
Vaughn, 1969, Maternal deaths in New Mexico, 1956-1966, Rocky Mt Med J, 66, 65
Kaunitz, 1985, Causes of maternal mortality in the United States, Obstet Gynecol, 65, 605