1. Viral Diseases Program, U.S. Naval Medical Research Unit No. 2,1 and
2. MotherCare,2 Jakarta, and
3. MotherCare, Washington, D.C.3; and
4. Division of Reproductive Tract, World Health Organization, Switzerland4
5. Ulin Provencial Hospital,5
6. Banjar Baru District Hospital,6 and
7. Kandangan District Hospital,7 Kalimantan, Indonesia;