POPULATION REPORTS SER. A 295,470 ORAL Oral contraceptives. Washington 1977 4° Population Information Program The George Washington Univ. Center Population Reports Ser. A Nr 4. Debate on oral contraceptives and neoplasia continues; Answers remain elusive. s. 69-104, il. Nr 4. Suppl. U.S. Morbidity and mortality trends relative to oral contraceptive use, 1955—1975, and Danish-morbidity trends, 1955-1972. s. 105-132 ll. ....