To begin with, the missionary society to which the doctor belonged assigned two Christian youths to study medicine with him. Then he took on five more students, and subsequently he taught 70 or 80 more.
一開始是教士會指定兩名基督徒青年來向蘭大衛習醫，後來蘭大衛又收了五名學生，之後陸續招收了七、八十位學生。