multicentre trials การใช้

• The efficacy of entecavir has been studied in several randomized, double-blind, multicentre trials.
• The results obtained and published as part of an international multicentre trial on retinal prostheses have resulted in FDA authorisation.
• A large multicentre trial of CBT for dissociative ( non-epileptic ) seizures started in 2015 in the UK.
• The first problem is this : seasonal influenza vaccines require a single injection of 15 ?g haemagluttinin in order to give protection; H5 seems to evoke only a weak immune response and a large multicentre trial found that two injections of 90 礸 H5 given 28 days apart provided protection in only 54 % of people.
• The first problem is this : seasonal influenza vaccines require a single injection of 15 ?g haemagglutinin in order to give protection; H5 seems to evoke only a weak immune response and a large multicentre trial found that two injections of 90 礸 H5 given 28 days apart provided protection in only 54 % of people.
• :This indicates that medium-firm and firm mattresses allow better spinal alignment, but did not indicate that spinal alignment had any affect on the body ( in patients with no back problems ) . " Effect of firmness of mattress on chronic non-specific low-back pain : randomised, double-blind, controlled, multicentre trial " ( F Kovacs et al ., 15 November 2003, " The Lancet ", 362 : 9396, p . 1599-1604 ) mentions in the introduction that 95 % of orthopaedic surgeons surveyed believes " that mattresses played a part in the management of low-back pain, with 76 % recommending a firm mattress.