B G Spratt, and M C Maiden. Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences354(1384):701--10 (April 1999)PMID: 10365396.
B G Spratt, and M C Maiden. Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences354(1384):701--10 (April 1999)PMID: 10365396.