Weight-loss wars: $10bn hostile battle pits Pfizer against Novo Nordisk Financial TimesNovo Nordisk, Pfizer sweeten bid for Metsera as bidding war heats up RTE.ieMetsera says Novo Nordisk’s new up to $10 billion bid for obesity drugmaker is ‘superior’ to revised Pfizer offer CNBCPfizer Addresses Proposal for Metsera Business WireNovo makes bombshell $6.5B counteroffer to Pfizer’s acquisition of obesity biotech Metsera Fierce Biotech