Pitisuttithum, PMigasena, SSuntharasamai, PSupanaranond, W2009-05-272009-05-271988-07-01Pitisuttithum P, Migasena S, Suntharasamai P, Supanaranond W. Factors influencing the intestinal intubation in Thai adult volunteers. Journal of the Medical Association of Thailand. 1988 Jul; 71(7): 351-4http://imsear.searo.who.int/handle/123456789/42794Chotmaihet Thangphaet.engAdolescentAdultHumansIntestinal Secretions --immunologyIntubation, GastrointestinalSpecimen Handling --methodsThailandJournal Article