Factors influencing referrals for ultrasound-diagnosed complications during prenatal care in five low and middle income countries oleh Holly L. Franklin, Waseem Mirza, David L. Swanson, Jamie E. Newman, Robert L. Goldenberg, David Muyodi, Lester Figueroa, Robert O. Nathan, Jonathan O. Swanson, Nicole Goldsmith, Nancy Kanaiza, Farnaz Naqvi, Irma Sayury Pineda, Walter López-Gomez, Dorothy Hamsumonde, Victor Lokomba Bolamba, Elizabeth V. Fogleman, Sarah Saleem, Fabian Esamai, Edward A. Liechty, Ana L. Garces, Nancy F. Krebs, K. Michael Hambidge, Elwyn Chomba, Musaku Mwenechanya, Waldemar A. Carlo, Antoinette Tshefu, Adrien Lokangaka, Carl L. Bose, Marion Koso-Thomas, Menachem Miodovnik, Elizabeth M. McClure