Serum amylase =< . x institutional upper limit of normal
Baseline amylase above the upper limit of normal
Serum amylase =< . x institutional upper limit of normal
Amylase =<  x upper limit of normal
Serum amylase =< upper limit of normal
Obtained =<  days prior to registration:\r\nSerum amylase and lipase =< . x upper limit of normal (ULN)
Serum amylase =< upper limit of normal
Normal serum amylase =< (ULN) OR normal
Obtained =<  days prior to registration: Serum amylase =< . x upper limit of normal (ULN)
Amylase =<   upper limits of normal