TY - JOUR T1 - A Case of Sleeping Sickness Studied by Precise Enumerative Methods: Regular Periodical Increase of the Parasites Disclosed JF - Proceedings of the Royal Society of London. Series B, Containing Papers of a Biological Character (1905-1934) VL - 82 IS - 557 SP - 411 EP - 415 PY - 1910/07/21/ UR - http://dx.doi.org/10.1098/rspb.1910.0035 M3 - doi:10.1098/rspb.1910.0035 AU - Ross, R. AU - Thomson, D. ER -