TY - GEN AU - Sideman,L AU - Wilson,D T AU - Murphy,J J TI - A survey of immunohematologic proficiency among 131 clinical laboratories in Pennsylvania SN - 0017-9035 PY - 1969///1007 KW - Blood Group Antigens KW - analysis KW - Humans KW - Immune Sera KW - Laboratories KW - standards KW - Methods KW - Ownership KW - Pennsylvania KW - Rh-Hr Blood-Group System N1 - Publication Type: Journal Article ER -