Sudip Misra Vivek Tiwari Mohammad S. Obaidat Lacas: learning automata-based congestion avoidance scheme for healthcare wireless sensor networks. 466-479 2009 27 IEEE Journal on Selected Areas in Communications 4 http://dx.doi.org/10.1109/JSAC.2009.090510 db/journals/jsac/jsac27.html#MisraTO09