TY - RPRT TI - Capture-recapture techniques. Difficult to use in developing countries. AU - J F Black AU - D McLarty AU - D E Mtasiwa PY - 1994 DO - 10.1136/bmj.308.6927.544 UR - https://pubmed.ncbi.nlm.nih.gov/8136675/ ID - 8136675 ER -