Complex sentence: Examination of RBC morphology is performed by examining peripheral blood smears and my be included as part of a manual differential which is the manual differential of WBCs, RBCs and a platelet count.
Split into simpler sentences: Examination of RBC morphology is performed by examining peripheral blood smears and may be included as part of a manual differential. A manual differential is the manual differential of White Blood Cells (WBCs), a RBC morphology examination and a platelet count.