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	1.	Characteristics of the extracellular M proteins of group-A streptococci. [electronic resource] by Pinney, A M Widdowson, J P Producer: 19771229 In: Journal of medical microbiology vol. 10 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	2.	Immunological heterogeneity among the M-associated protein antigens of group-A streptococci. [electronic resource] by Widdowson, J P Maxted, W R Pinney, A M Producer: 19760706 In: Journal of medical microbiology vol. 9 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	3.	The extracellular M protein of group-A streptococci. [electronic resource] by Pinney, A M Widdowson, J P Maxted, W R Producer: 19730803 In: Journal of medical microbiology vol. 6 Availability: No items available. Save to lists Add to cart (remove)
	4.	Inhibition of beta-haemolysis by opacity factor in group A streptococci. [electronic resource] by Pinney, A M Widdowson, J P Maxted, W R Producer: 19770718 In: The Journal of hygiene vol. 78 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	5.	Antibody to an M-associated protein antigen of streptococci. [electronic resource] by Widdowson, J P Maxted, W R Pinney, A M Producer: 19711112 In: Journal of medical microbiology vol. 4 Availability: No items available. Save to lists Add to cart (remove)
	6.	An M-associated protein antigen (MAP) of group A streptococci. [electronic resource] by Widdowson, J P Maxted, W R Pinney, A M Producer: 19720322 In: The Journal of hygiene vol. 69 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	7.	The antibody respones in man to infection with different serotypes of group-A streptococci. [electronic resource] by Widdowson, J P Maxted, W R Notley, C M Pinney, A M Producer: 19750513 In: Journal of medical microbiology vol. 7 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	8.	The relationship between M-antigen and opacity factor in group A streptococci. [electronic resource] by Widdowson, J P Maxted, W R Grant, D L Pinney, A M Producer: 19710811 In: Journal of general microbiology vol. 65 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)