In a short time of getting settled in at the "outpatient department" he gained considerable insight into the science of tropical diseases, usually mysterious to Europeans.
Katika kipindi kifupi cha kujipatia uzoefu katika idara ya wagonjwa wanaofika hospitali kupata matibabu na kisha kurejea makwao, aliweza kujielimisha kwa kiasi kikubwa juu ya magonjwa ki – tropiki ambayo kwa kawaida wazungu hawayafahamu.