NEEDLE LENGTH AND INJECTION TECHNIQUE FOR EFFICIENT INTRAMUSCULAR VACCINE DELIVERY IN INFANTS AND CHILDREN EVALUATED THROUGH AN ULTRASONOGRAPHIC DETERMINATION OF SUBCUTANEOUS AND MUSCLE LAYER THICKNESS
J. Groswasser et al., NEEDLE LENGTH AND INJECTION TECHNIQUE FOR EFFICIENT INTRAMUSCULAR VACCINE DELIVERY IN INFANTS AND CHILDREN EVALUATED THROUGH AN ULTRASONOGRAPHIC DETERMINATION OF SUBCUTANEOUS AND MUSCLE LAYER THICKNESS, Pediatrics, 100(3), 1997, pp. 400-403