Karleen, I am the one who began the thread on <shear/compression/suction and mathematical calculations> several months ago. I have been interested in these aspects of "latch" for a long time. I thank you profusely for recognizing and posting this reference as related to the questions I proposed. It will be interesting to see if he is using the rubber teat as a basis for his observations, as, in 1971, I doubt there was much insight into the fact that there is a difference in the mechanics of the mouth feeding correctly at breast compared feeding on a bottle. Once again, thank you for being so observant. I am excited about getting to the medical library to begin looking it up. Jean ******************************** K. Jean Cotterman RNC, IBCLC Dayton, Ohio USA (currently vactioning in Phoenix where the temperature has been in the balmy 80's most days.) ________________________________________________________________ YOU'RE PAYING TOO MUCH FOR THE INTERNET! Juno now offers FREE Internet Access! Try it today - there's no risk! For your FREE software, visit: http://dl.www.juno.com/get/tagj. *********************************************** The LACTNET mailing list is powered by L-Soft's renowned LISTSERV(R) list management software together with L-Soft's LSMTP(TM) mailer for lightning fast mail delivery. For more information, go to: http://www.lsoft.com/LISTSERV-powered.html