共 50 条
- [22] HOSPITAL SERVICE IN THE UNITED-STATES JAMA-JOURNAL OF THE AMERICAN MEDICAL ASSOCIATION, 1954, 155 (03): : 279 - 280
- [26] UNWANTED AND MISTIMED BIRTHS IN UNITED-STATES - 1968-1973 FAMILY PLANNING PERSPECTIVES, 1978, 10 (03): : 168 - 172
- [27] CONVENIENCE AND THE OCCURRENCE OF BIRTHS INDUCTION OF LABOR IN THE UNITED-STATES AND CANADA INTERNATIONAL JOURNAL OF HEALTH SERVICES, 1979, 9 (03): : 439 - 460
- [29] HOSPITAL EXPENDITURES IN THE UNITED-STATES AND CANADA NEW ENGLAND JOURNAL OF MEDICINE, 1993, 328 (11): : 772 - 778
- [30] PELVISCOPY IN A UNITED-STATES COUNTRY HOSPITAL ADVANCES IN GYNECOLOGY AND OBSTETRICS SERIES, VOL 1: FERTILITY, STERILITY AND CONTRACEPTION, 1989, : 227 - 229