What is childhood apraxia of speech? Childhood apraxia of speech (CAS) is a speech disorder in which a childâs brain has difficulty coordinating the complex oral movements needed to create sounds into syllables, syllables into words, and words into phrases. Typically, muscle weakness is not to blame for this speech disorder.
Related to Breast Cancer. Herceptin: Long-Term Benefits for Breast Cancer. Feb. 24, 2011 -- High-risk breast cancer patients continue to derive benefits from the drug Herceptin even four years after stopping treatment, but questions remain about the biologic therapyâs safety when given with chemotherapy.
For cattle the tolerance of residues are specified in 21 CFR 556.344. A tolerance for the marker residue (22, 23-dihydro-avermectin B1a) of ivermectin is 100 ppb in the liver (target tissue). The withdrawal time is 35 days following one subcutaneous injection of IVOMEC as specified in 21 CFR 522.1192. The original approval of ivermectin injection was as an over-the-counter drug.