Text this

Number:

Provider:

CAPTCHA:

 _    _      ___       _____     ___              
| \  / ||   / _ \\    / ___//   / _ \\      ___   
|  \/  ||  / //\ \\   \___ \\  | / \ ||    /   || 
| .  . || |  ___  ||  /    //  | \_/ ||   | [] || 
|_|\/|_|| |_||  |_|| /____//    \___//     \__ || 
`-`  `-`  `-`   `-` `-----`     `---`       -|_|| 
                                             `-`

Please enter what you see:

Text this: Comparison of hemoglobin and hematocrit levels at 1, 4 and 24 h after red blood cell transfusion

Text this: Comparison of hemoglobin and hematocrit levels at 1, 4 and 24 h after red blood cell transfusion