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	1.	Non-invasive assessment of phrenic nerve function in infants following cardiac surgery. [electronic resource] by Helps, B A Producer: 19921001 In: Professional nurse (London, England) vol. 7 Availability: No items available. Save to lists Add to cart (remove)
	2.	Transcutaneous phrenic nerve stimulation. [electronic resource] by Ross-Russell, R I Helps, B A Producer: 19920903 In: Journal of neurology, neurosurgery, and psychiatry vol. 55 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	3.	Normal values for phrenic nerve latency in children. [electronic resource] by Russell, R I Helps, B A Helms, P J Producer: 20020109 In: Muscle & nerve vol. 24 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	4.	Phrenic nerve stimulation at the bedside in children; equipment and validation. [electronic resource] by Russell, R I Helps, B A Elliot, M J Helms, P J Producer: 19940223 In: The European respiratory journal vol. 6 Availability: No items available. Save to lists Add to cart (remove)
	5.	Phrenic nerve damage via a right thoracotomy in older children with secundum ASD. [electronic resource] by Helps, B A Ross-Russell, R I Dicks-Mireaux, C Elliott, M J Producer: 19930908 In: The Annals of thoracic surgery vol. 56 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	6.	Early assessment of diaphragmatic dysfunction in children in the ITU: chest radiology and phrenic nerve stimulation. [electronic resource] by Russell, R I Helps, B A Dicks-Mireaux, C M Helms, P J Producer: 19940223 In: The European respiratory journal vol. 6 Availability: No items available. Save to lists Add to cart (remove)
	7.	Voluntary universal antenatal HIV testing. [electronic resource] by Mercey, D Helps, B A Copas, A Petruckevitch, A Johnson, A M Spencer, J Producer: 19961231 In: British journal of obstetrics and gynaecology vol. 103 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	8.	Normal gastric antral myoelectrical activity in early onset anorexia nervosa. [electronic resource] by Ravelli, A M Helps, B A Devane, S P Lask, B D Milla, P J Producer: 19931109 In: Archives of disease in childhood vol. 69 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	9.	Descriptive survey of antenatal HIV testing in London: policy, uptake, and detection. [electronic resource] by MacDonagh, S E Masters, J Helps, B A Tookey, P A Ades, A E Gibb, D M Producer: 19961016 In: BMJ (Clinical research ed.) vol. 313 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)