Arguments at your workplace are very draining. Maybe these will help. When sharing with your supervisor perhaps use the phrase "hand expression can be as effective".
http://newborns.stanford.edu/Breastfeeding/HandExpression.html
At the site below click on breastfeeding help and then scroll down to the link titled "When Baby Does Not Yet Latch"
http://www.drjacknewman.com/
Good Luck,
Jodie Lucci
LLL Leader, in NH USA
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